257027640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2141897}}^1$

素因数の和:2141911

約数の個数: 32

約数和(自身を含む): 771083280

約数和(自身を除く): 514055640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141897, 4283794, 6425691, 8567588, 10709485, 12851382, 17135176, 21418970, 25702764, 32128455, 42837940, 51405528, 64256910, 85675880, 128513820, 257027640]

約数ペア:

[(1, 257027640), (2, 128513820), (3, 85675880), (4, 64256910), (5, 51405528), (6, 42837940), (8, 32128455), (10, 25702764), (12, 21418970), (15, 17135176), (20, 12851382), (24, 10709485), (30, 8567588), (40, 6425691), (60, 4283794), (120, 2141897)]