123411720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23917}}^1$

素因数の和:23974

約数の個数: 64

約数和(自身を含む): 378861120

約数和(自身を除く): 255449400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 23917, 47834, 71751, 95668, 119585, 143502, 191336, 239170, 287004, 358755, 478340, 574008, 717510, 956680, 1028431, 1435020, 2056862, 2870040, 3085293, 4113724, 5142155, 6170586, 8227448, 10284310, 12341172, 15426465, 20568620, 24682344, 30852930, 41137240, 61705860, 123411720]

約数ペア:

[(1, 123411720), (2, 61705860), (3, 41137240), (4, 30852930), (5, 24682344), (6, 20568620), (8, 15426465), (10, 12341172), (12, 10284310), (15, 8227448), (20, 6170586), (24, 5142155), (30, 4113724), (40, 3085293), (43, 2870040), (60, 2056862), (86, 1435020), (120, 1028431), (129, 956680), (172, 717510), (215, 574008), (258, 478340), (344, 358755), (430, 287004), (516, 239170), (645, 191336), (860, 143502), (1032, 119585), (1290, 95668), (1720, 71751), (2580, 47834), (5160, 23917)]