71905240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9613}}^1$

素因数の和:9652

約数の個数: 64

約数和(自身を含む): 186896160

約数和(自身を除く): 114990920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 9613, 19226, 38452, 48065, 76904, 96130, 105743, 163421, 192260, 211486, 326842, 384520, 422972, 528715, 653684, 817105, 845944, 1057430, 1307368, 1634210, 1797631, 2114860, 3268420, 3595262, 4229720, 6536840, 7190524, 8988155, 14381048, 17976310, 35952620, 71905240]

約数ペア:

[(1, 71905240), (2, 35952620), (4, 17976310), (5, 14381048), (8, 8988155), (10, 7190524), (11, 6536840), (17, 4229720), (20, 3595262), (22, 3268420), (34, 2114860), (40, 1797631), (44, 1634210), (55, 1307368), (68, 1057430), (85, 845944), (88, 817105), (110, 653684), (136, 528715), (170, 422972), (187, 384520), (220, 326842), (340, 211486), (374, 192260), (440, 163421), (680, 105743), (748, 96130), (935, 76904), (1496, 48065), (1870, 38452), (3740, 19226), (7480, 9613)]