31166220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{997}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 87520608

約数和(自身を除く): 56354388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 997, 1042, 1563, 1994, 2084, 2605, 2991, 3126, 3988, 4985, 5210, 5982, 6252, 7815, 9970, 10420, 11964, 14955, 15630, 19940, 29910, 31260, 59820, 519437, 1038874, 1558311, 2077748, 2597185, 3116622, 5194370, 6233244, 7791555, 10388740, 15583110, 31166220]

約数ペア:

[(1, 31166220), (2, 15583110), (3, 10388740), (4, 7791555), (5, 6233244), (6, 5194370), (10, 3116622), (12, 2597185), (15, 2077748), (20, 1558311), (30, 1038874), (60, 519437), (521, 59820), (997, 31260), (1042, 29910), (1563, 19940), (1994, 15630), (2084, 14955), (2605, 11964), (2991, 10420), (3126, 9970), (3988, 7815), (4985, 6252), (5210, 5982)]