30899640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257497}}^1$

素因数の和:257511

約数の個数: 32

約数和(自身を含む): 92699280

約数和(自身を除く): 61799640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257497, 514994, 772491, 1029988, 1287485, 1544982, 2059976, 2574970, 3089964, 3862455, 5149940, 6179928, 7724910, 10299880, 15449820, 30899640]

約数ペア:

[(1, 30899640), (2, 15449820), (3, 10299880), (4, 7724910), (5, 6179928), (6, 5149940), (8, 3862455), (10, 3089964), (12, 2574970), (15, 2059976), (20, 1544982), (24, 1287485), (30, 1029988), (40, 772491), (60, 514994), (120, 257497)]