77447640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{645397}}^1$

素因数の和:645411

約数の個数: 32

約数和(自身を含む): 232343280

約数和(自身を除く): 154895640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 645397, 1290794, 1936191, 2581588, 3226985, 3872382, 5163176, 6453970, 7744764, 9680955, 12907940, 15489528, 19361910, 25815880, 38723820, 77447640]

約数ペア:

[(1, 77447640), (2, 38723820), (3, 25815880), (4, 19361910), (5, 15489528), (6, 12907940), (8, 9680955), (10, 7744764), (12, 6453970), (15, 5163176), (20, 3872382), (24, 3226985), (30, 2581588), (40, 1936191), (60, 1290794), (120, 645397)]