15708680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 40325040

約数和(自身を除く): 24616360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1777, 2210, 3554, 4420, 7108, 8840, 8885, 14216, 17770, 23101, 30209, 35540, 46202, 60418, 71080, 92404, 115505, 120836, 151045, 184808, 231010, 241672, 302090, 392717, 462020, 604180, 785434, 924040, 1208360, 1570868, 1963585, 3141736, 3927170, 7854340, 15708680]

約数ペア:

[(1, 15708680), (2, 7854340), (4, 3927170), (5, 3141736), (8, 1963585), (10, 1570868), (13, 1208360), (17, 924040), (20, 785434), (26, 604180), (34, 462020), (40, 392717), (52, 302090), (65, 241672), (68, 231010), (85, 184808), (104, 151045), (130, 120836), (136, 115505), (170, 92404), (221, 71080), (260, 60418), (340, 46202), (442, 35540), (520, 30209), (680, 23101), (884, 17770), (1105, 14216), (1768, 8885), (1777, 8840), (2210, 7108), (3554, 4420)]