15526660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 34191360

約数和(自身を除く): 18664700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 317, 395, 620, 634, 790, 1268, 1580, 1585, 2449, 3170, 4898, 6340, 9796, 9827, 12245, 19654, 24490, 25043, 39308, 48980, 49135, 50086, 98270, 100172, 125215, 196540, 250430, 500860, 776333, 1552666, 3105332, 3881665, 7763330, 15526660]

約数ペア:

[(1, 15526660), (2, 7763330), (4, 3881665), (5, 3105332), (10, 1552666), (20, 776333), (31, 500860), (62, 250430), (79, 196540), (124, 125215), (155, 100172), (158, 98270), (310, 50086), (316, 49135), (317, 48980), (395, 39308), (620, 25043), (634, 24490), (790, 19654), (1268, 12245), (1580, 9827), (1585, 9796), (2449, 6340), (3170, 4898)]