257027880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2141899}}^1$

素因数の和:2141913

約数の個数: 32

約数和(自身を含む): 771084000

約数和(自身を除く): 514056120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141899, 4283798, 6425697, 8567596, 10709495, 12851394, 17135192, 21418990, 25702788, 32128485, 42837980, 51405576, 64256970, 85675960, 128513940, 257027880]

約数ペア:

[(1, 257027880), (2, 128513940), (3, 85675960), (4, 64256970), (5, 51405576), (6, 42837980), (8, 32128485), (10, 25702788), (12, 21418990), (15, 17135192), (20, 12851394), (24, 10709495), (30, 8567596), (40, 6425697), (60, 4283798), (120, 2141899)]