31508880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10099}}^1$

素因数の和:10128

約数の個数: 80

約数和(自身を含む): 105201600

約数和(自身を除く): 73692720

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, 10099, 20198, 30297, 40396, 50495, 60594, 80792, 100990, 121188, 131287, 151485, 161584, 201980, 242376, 262574, 302970, 393861, 403960, 484752, 525148, 605940, 656435, 787722, 807920, 1050296, 1211880, 1312870, 1575444, 1969305, 2100592, 2423760, 2625740, 3150888, 3938610, 5251480, 6301776, 7877220, 10502960, 15754440, 31508880]

約数ペア:

[(1, 31508880), (2, 15754440), (3, 10502960), (4, 7877220), (5, 6301776), (6, 5251480), (8, 3938610), (10, 3150888), (12, 2625740), (13, 2423760), (15, 2100592), (16, 1969305), (20, 1575444), (24, 1312870), (26, 1211880), (30, 1050296), (39, 807920), (40, 787722), (48, 656435), (52, 605940), (60, 525148), (65, 484752), (78, 403960), (80, 393861), (104, 302970), (120, 262574), (130, 242376), (156, 201980), (195, 161584), (208, 151485), (240, 131287), (260, 121188), (312, 100990), (390, 80792), (520, 60594), (624, 50495), (780, 40396), (1040, 30297), (1560, 20198), (3120, 10099)]