81532680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2351}}^1$

素因数の和:2399

約数の個数: 96

約数和(自身を含む): 259943040

約数和(自身を除く): 178410360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 680, 867, 1020, 1156, 1445, 1734, 2040, 2312, 2351, 2890, 3468, 4335, 4702, 5780, 6936, 7053, 8670, 9404, 11560, 11755, 14106, 17340, 18808, 23510, 28212, 34680, 35265, 39967, 47020, 56424, 70530, 79934, 94040, 119901, 141060, 159868, 199835, 239802, 282120, 319736, 399670, 479604, 599505, 679439, 799340, 959208, 1199010, 1358878, 1598680, 2038317, 2398020, 2717756, 3397195, 4076634, 4796040, 5435512, 6794390, 8153268, 10191585, 13588780, 16306536, 20383170, 27177560, 40766340, 81532680]

約数ペア:

[(1, 81532680), (2, 40766340), (3, 27177560), (4, 20383170), (5, 16306536), (6, 13588780), (8, 10191585), (10, 8153268), (12, 6794390), (15, 5435512), (17, 4796040), (20, 4076634), (24, 3397195), (30, 2717756), (34, 2398020), (40, 2038317), (51, 1598680), (60, 1358878), (68, 1199010), (85, 959208), (102, 799340), (120, 679439), (136, 599505), (170, 479604), (204, 399670), (255, 319736), (289, 282120), (340, 239802), (408, 199835), (510, 159868), (578, 141060), (680, 119901), (867, 94040), (1020, 79934), (1156, 70530), (1445, 56424), (1734, 47020), (2040, 39967), (2312, 35265), (2351, 34680), (2890, 28212), (3468, 23510), (4335, 18808), (4702, 17340), (5780, 14106), (6936, 11755), (7053, 11560), (8670, 9404)]