256296840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68897}}^1$

素因数の和:68942

約数の個数: 64

約数和(自身を含む): 793704960

約数和(自身を除く): 537408120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 68897, 137794, 206691, 275588, 344485, 413382, 551176, 688970, 826764, 1033455, 1377940, 1653528, 2066910, 2135807, 2755880, 4133820, 4271614, 6407421, 8267640, 8543228, 10679035, 12814842, 17086456, 21358070, 25629684, 32037105, 42716140, 51259368, 64074210, 85432280, 128148420, 256296840]

約数ペア:

[(1, 256296840), (2, 128148420), (3, 85432280), (4, 64074210), (5, 51259368), (6, 42716140), (8, 32037105), (10, 25629684), (12, 21358070), (15, 17086456), (20, 12814842), (24, 10679035), (30, 8543228), (31, 8267640), (40, 6407421), (60, 4271614), (62, 4133820), (93, 2755880), (120, 2135807), (124, 2066910), (155, 1653528), (186, 1377940), (248, 1033455), (310, 826764), (372, 688970), (465, 551176), (620, 413382), (744, 344485), (930, 275588), (1240, 206691), (1860, 137794), (3720, 68897)]