15805240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2152

約数の個数: 64

約数和(自身を含む): 41096160

約数和(自身を除く): 25290920

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, 2113, 3740, 4226, 7480, 8452, 10565, 16904, 21130, 23243, 35921, 42260, 46486, 71842, 84520, 92972, 116215, 143684, 179605, 185944, 232430, 287368, 359210, 395131, 464860, 718420, 790262, 929720, 1436840, 1580524, 1975655, 3161048, 3951310, 7902620, 15805240]

約数ペア:

[(1, 15805240), (2, 7902620), (4, 3951310), (5, 3161048), (8, 1975655), (10, 1580524), (11, 1436840), (17, 929720), (20, 790262), (22, 718420), (34, 464860), (40, 395131), (44, 359210), (55, 287368), (68, 232430), (85, 185944), (88, 179605), (110, 143684), (136, 116215), (170, 92972), (187, 84520), (220, 71842), (340, 46486), (374, 42260), (440, 35921), (680, 23243), (748, 21130), (935, 16904), (1496, 10565), (1870, 8452), (2113, 7480), (3740, 4226)]