311965680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99989}}^1$

素因数の和:100018

約数の個数: 80

約数和(自身を含む): 1041495840

約数和(自身を除く): 729530160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 99989, 199978, 299967, 399956, 499945, 599934, 799912, 999890, 1199868, 1299857, 1499835, 1599824, 1999780, 2399736, 2599714, 2999670, 3899571, 3999560, 4799472, 5199428, 5999340, 6499285, 7799142, 7999120, 10398856, 11998680, 12998570, 15598284, 19497855, 20797712, 23997360, 25997140, 31196568, 38995710, 51994280, 62393136, 77991420, 103988560, 155982840, 311965680]

約数ペア:

[(1, 311965680), (2, 155982840), (3, 103988560), (4, 77991420), (5, 62393136), (6, 51994280), (8, 38995710), (10, 31196568), (12, 25997140), (13, 23997360), (15, 20797712), (16, 19497855), (20, 15598284), (24, 12998570), (26, 11998680), (30, 10398856), (39, 7999120), (40, 7799142), (48, 6499285), (52, 5999340), (60, 5199428), (65, 4799472), (78, 3999560), (80, 3899571), (104, 2999670), (120, 2599714), (130, 2399736), (156, 1999780), (195, 1599824), (208, 1499835), (240, 1299857), (260, 1199868), (312, 999890), (390, 799912), (520, 599934), (624, 499945), (780, 399956), (1040, 299967), (1560, 199978), (3120, 99989)]