61276760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 141523200

約数和(自身を除く): 80246440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 107, 139, 206, 214, 278, 412, 428, 515, 535, 556, 695, 824, 856, 1030, 1070, 1112, 1390, 2060, 2140, 2780, 4120, 4280, 5560, 11021, 14317, 14873, 22042, 28634, 29746, 44084, 55105, 57268, 59492, 71585, 74365, 88168, 110210, 114536, 118984, 143170, 148730, 220420, 286340, 297460, 440840, 572680, 594920, 1531919, 3063838, 6127676, 7659595, 12255352, 15319190, 30638380, 61276760]

約数ペア:

[(1, 61276760), (2, 30638380), (4, 15319190), (5, 12255352), (8, 7659595), (10, 6127676), (20, 3063838), (40, 1531919), (103, 594920), (107, 572680), (139, 440840), (206, 297460), (214, 286340), (278, 220420), (412, 148730), (428, 143170), (515, 118984), (535, 114536), (556, 110210), (695, 88168), (824, 74365), (856, 71585), (1030, 59492), (1070, 57268), (1112, 55105), (1390, 44084), (2060, 29746), (2140, 28634), (2780, 22042), (4120, 14873), (4280, 14317), (5560, 11021)]