31913520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1410

約数の個数: 80

約数和(自身を含む): 99969792

約数和(自身を除く): 68056272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1291, 1545, 1648, 2060, 2472, 2582, 3090, 3873, 4120, 4944, 5164, 6180, 6455, 7746, 8240, 10328, 12360, 12910, 15492, 19365, 20656, 24720, 25820, 30984, 38730, 51640, 61968, 77460, 103280, 132973, 154920, 265946, 309840, 398919, 531892, 664865, 797838, 1063784, 1329730, 1595676, 1994595, 2127568, 2659460, 3191352, 3989190, 5318920, 6382704, 7978380, 10637840, 15956760, 31913520]

約数ペア:

[(1, 31913520), (2, 15956760), (3, 10637840), (4, 7978380), (5, 6382704), (6, 5318920), (8, 3989190), (10, 3191352), (12, 2659460), (15, 2127568), (16, 1994595), (20, 1595676), (24, 1329730), (30, 1063784), (40, 797838), (48, 664865), (60, 531892), (80, 398919), (103, 309840), (120, 265946), (206, 154920), (240, 132973), (309, 103280), (412, 77460), (515, 61968), (618, 51640), (824, 38730), (1030, 30984), (1236, 25820), (1291, 24720), (1545, 20656), (1648, 19365), (2060, 15492), (2472, 12910), (2582, 12360), (3090, 10328), (3873, 8240), (4120, 7746), (4944, 6455), (5164, 6180)]