256460730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{82997}}^1$

素因数の和:83110

約数の個数: 32

約数和(自身を含む): 621489024

約数和(自身を除く): 365028294

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 82997, 165994, 248991, 414985, 497982, 829970, 1244955, 2489910, 8548691, 17097382, 25646073, 42743455, 51292146, 85486910, 128230365, 256460730]

約数ペア:

[(1, 256460730), (2, 128230365), (3, 85486910), (5, 51292146), (6, 42743455), (10, 25646073), (15, 17097382), (30, 8548691), (103, 2489910), (206, 1244955), (309, 829970), (515, 497982), (618, 414985), (1030, 248991), (1545, 165994), (3090, 82997)]