Factors of 1680

"Factors of a Number" Calculator

What are the Factors of 1,680?

Answer

Factors of 1,680:

40 factors: 1, 2, 3, 4, 5 … 560, 840, 1680

all 40 factors

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680

40 factors · 1680 = 2⁴ × 3 × 5 × 7 · composite

Underlined — prime: 2, 3, 5, 7 · 1 — neither prime nor composite · others — composite

Factor pairs of 1,680

1 × 1680
2 × 840
3 × 560
4 × 420
5 × 336
6 × 280
7 × 240
8 × 210
…

√1680 ≈ 40.99 — the last pair 40 × 42 sits here; past it pairs repeat.

all 20 pairs

1 × 1680
2 × 840
3 × 560
4 × 420
5 × 336
6 × 280
7 × 240
8 × 210
10 × 168
12 × 140
14 × 120
15 × 112
16 × 105
20 × 84
21 × 80
24 × 70
28 × 60
30 × 56
35 × 48
40 × 42

1680 = 2⁴ × 3 × 5 × 7 → (4 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 40 factors: add 1 to each exponent and multiply.

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1680 in roman numerals

Factors Table

Number	Factors
1,605	1, 3, 5, 15, 107, 321, 535, 1605
1,610	1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610
1,615	1, 5, 17, 19, 85, 95, 323, 1615
1,620	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620
1,625	1, 5, 13, 25, 65, 125, 325, 1625
1,630	1, 2, 5, 10, 163, 326, 815, 1630
1,635	1, 3, 5, 15, 109, 327, 545, 1635
1,640	1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640
1,650	1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650
1,655	1, 5, 331, 1655
1,660	1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660
1,665	1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665
1,666	1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666
1,670	1, 2, 5, 10, 167, 334, 835, 1670
1,675	1, 5, 25, 67, 335, 1675
1,680	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680
1,685	1, 5, 337, 1685
1,690	1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690
1,700	1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700
1,705	1, 5, 11, 31, 55, 155, 341, 1705
1,710	1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710
1,715	1, 5, 7, 35, 49, 245, 343, 1715
1,720	1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720
1,725	1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725
1,728	1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728
1,730	1, 2, 5, 10, 173, 346, 865, 1730
1,735	1, 5, 347, 1735
1,740	1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740
1,750	1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750
1,755	1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755

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Factors of 1680

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Factor pairs of 1,680

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Factors Table

FAQ

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