68662760

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6197}}^1$

素因数の和:6485

約数の個数: 32

約数和(自身を含む): 155073960

約数和(自身を除く): 86411200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6197, 11080, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 1716569, 3433138, 6866276, 8582845, 13732552, 17165690, 34331380, 68662760]

約数ペア:

[(1, 68662760), (2, 34331380), (4, 17165690), (5, 13732552), (8, 8582845), (10, 6866276), (20, 3433138), (40, 1716569), (277, 247880), (554, 123940), (1108, 61970), (1385, 49576), (2216, 30985), (2770, 24788), (5540, 12394), (6197, 11080)]