15591550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 33575976

約数和(自身を除く): 17984426

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 83, 85, 130, 166, 170, 221, 289, 325, 415, 425, 442, 578, 650, 830, 850, 1079, 1105, 1411, 1445, 2075, 2158, 2210, 2822, 2890, 3757, 4150, 5395, 5525, 7055, 7225, 7514, 10790, 11050, 14110, 14450, 18343, 18785, 23987, 26975, 35275, 36686, 37570, 47974, 53950, 70550, 91715, 93925, 119935, 183430, 187850, 239870, 311831, 458575, 599675, 623662, 917150, 1199350, 1559155, 3118310, 7795775, 15591550]

約数ペア:

[(1, 15591550), (2, 7795775), (5, 3118310), (10, 1559155), (13, 1199350), (17, 917150), (25, 623662), (26, 599675), (34, 458575), (50, 311831), (65, 239870), (83, 187850), (85, 183430), (130, 119935), (166, 93925), (170, 91715), (221, 70550), (289, 53950), (325, 47974), (415, 37570), (425, 36686), (442, 35275), (578, 26975), (650, 23987), (830, 18785), (850, 18343), (1079, 14450), (1105, 14110), (1411, 11050), (1445, 10790), (2075, 7514), (2158, 7225), (2210, 7055), (2822, 5525), (2890, 5395), (3757, 4150)]