90907620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7691}}^1$

素因数の和:7900

約数の個数: 48

約数和(自身を含む): 255866688

約数和(自身を除く): 164959068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 7691, 11820, 15382, 23073, 30764, 38455, 46146, 76910, 92292, 115365, 153820, 230730, 461460, 1515127, 3030254, 4545381, 6060508, 7575635, 9090762, 15151270, 18181524, 22726905, 30302540, 45453810, 90907620]

約数ペア:

[(1, 90907620), (2, 45453810), (3, 30302540), (4, 22726905), (5, 18181524), (6, 15151270), (10, 9090762), (12, 7575635), (15, 6060508), (20, 4545381), (30, 3030254), (60, 1515127), (197, 461460), (394, 230730), (591, 153820), (788, 115365), (985, 92292), (1182, 76910), (1970, 46146), (2364, 38455), (2955, 30764), (3940, 23073), (5910, 15382), (7691, 11820)]