21278586480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88660777}}^1$

素因数の和:88660793

約数の個数: 40

約数和(自身を含む): 65963618832

約数和(自身を除く): 44685032352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88660777, 177321554, 265982331, 354643108, 443303885, 531964662, 709286216, 886607770, 1063929324, 1329911655, 1418572432, 1773215540, 2127858648, 2659823310, 3546431080, 4255717296, 5319646620, 7092862160, 10639293240, 21278586480]

約数ペア:

[(1, 21278586480), (2, 10639293240), (3, 7092862160), (4, 5319646620), (5, 4255717296), (6, 3546431080), (8, 2659823310), (10, 2127858648), (12, 1773215540), (15, 1418572432), (16, 1329911655), (20, 1063929324), (24, 886607770), (30, 709286216), (40, 531964662), (48, 443303885), (60, 354643108), (80, 265982331), (120, 177321554), (240, 88660777)]