15761240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 39152160

約数和(自身を除く): 23390920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 317, 440, 452, 565, 634, 904, 1130, 1243, 1268, 1585, 2260, 2486, 2536, 3170, 3487, 4520, 4972, 6215, 6340, 6974, 9944, 12430, 12680, 13948, 17435, 24860, 27896, 34870, 35821, 49720, 69740, 71642, 139480, 143284, 179105, 286568, 358210, 394031, 716420, 788062, 1432840, 1576124, 1970155, 3152248, 3940310, 7880620, 15761240]

約数ペア:

[(1, 15761240), (2, 7880620), (4, 3940310), (5, 3152248), (8, 1970155), (10, 1576124), (11, 1432840), (20, 788062), (22, 716420), (40, 394031), (44, 358210), (55, 286568), (88, 179105), (110, 143284), (113, 139480), (220, 71642), (226, 69740), (317, 49720), (440, 35821), (452, 34870), (565, 27896), (634, 24860), (904, 17435), (1130, 13948), (1243, 12680), (1268, 12430), (1585, 9944), (2260, 6974), (2486, 6340), (2536, 6215), (3170, 4972), (3487, 4520)]