51069840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{212791}}^1$

素因数の和:212807

約数の個数: 40

約数和(自身を含む): 158317248

約数和(自身を除く): 107247408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 212791, 425582, 638373, 851164, 1063955, 1276746, 1702328, 2127910, 2553492, 3191865, 3404656, 4255820, 5106984, 6383730, 8511640, 10213968, 12767460, 17023280, 25534920, 51069840]

約数ペア:

[(1, 51069840), (2, 25534920), (3, 17023280), (4, 12767460), (5, 10213968), (6, 8511640), (8, 6383730), (10, 5106984), (12, 4255820), (15, 3404656), (16, 3191865), (20, 2553492), (24, 2127910), (30, 1702328), (40, 1276746), (48, 1063955), (60, 851164), (80, 638373), (120, 425582), (240, 212791)]