30465780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1279}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 85585920

約数和(自身を除く): 55120140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1279, 1588, 1985, 2382, 2558, 3837, 3970, 4764, 5116, 5955, 6395, 7674, 7940, 11910, 12790, 15348, 19185, 23820, 25580, 38370, 76740, 507763, 1015526, 1523289, 2031052, 2538815, 3046578, 5077630, 6093156, 7616445, 10155260, 15232890, 30465780]

約数ペア:

[(1, 30465780), (2, 15232890), (3, 10155260), (4, 7616445), (5, 6093156), (6, 5077630), (10, 3046578), (12, 2538815), (15, 2031052), (20, 1523289), (30, 1015526), (60, 507763), (397, 76740), (794, 38370), (1191, 25580), (1279, 23820), (1588, 19185), (1985, 15348), (2382, 12790), (2558, 11910), (3837, 7940), (3970, 7674), (4764, 6395), (5116, 5955)]