2580760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 7156800

約数和(自身を除く): 4576040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 709, 728, 910, 1418, 1820, 2836, 3545, 3640, 4963, 5672, 7090, 9217, 9926, 14180, 18434, 19852, 24815, 28360, 36868, 39704, 46085, 49630, 64519, 73736, 92170, 99260, 129038, 184340, 198520, 258076, 322595, 368680, 516152, 645190, 1290380, 2580760]

約数ペア:

[(1, 2580760), (2, 1290380), (4, 645190), (5, 516152), (7, 368680), (8, 322595), (10, 258076), (13, 198520), (14, 184340), (20, 129038), (26, 99260), (28, 92170), (35, 73736), (40, 64519), (52, 49630), (56, 46085), (65, 39704), (70, 36868), (91, 28360), (104, 24815), (130, 19852), (140, 18434), (182, 14180), (260, 9926), (280, 9217), (364, 7090), (455, 5672), (520, 4963), (709, 3640), (728, 3545), (910, 2836), (1418, 1820)]