279472960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67181}}^1$

素因数の和:67211

約数の個数: 56

約数和(自身を含む): 716697576

約数和(自身を除く): 437224616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 67181, 134362, 268724, 335905, 537448, 671810, 873353, 1074896, 1343620, 1746706, 2149792, 2687240, 3493412, 4299584, 4366765, 5374480, 6986824, 8733530, 10748960, 13973648, 17467060, 21497920, 27947296, 34934120, 55894592, 69868240, 139736480, 279472960]

約数ペア:

[(1, 279472960), (2, 139736480), (4, 69868240), (5, 55894592), (8, 34934120), (10, 27947296), (13, 21497920), (16, 17467060), (20, 13973648), (26, 10748960), (32, 8733530), (40, 6986824), (52, 5374480), (64, 4366765), (65, 4299584), (80, 3493412), (104, 2687240), (130, 2149792), (160, 1746706), (208, 1343620), (260, 1074896), (320, 873353), (416, 671810), (520, 537448), (832, 335905), (1040, 268724), (2080, 134362), (4160, 67181)]