15388980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256483}}^1$

素因数の和:256495

約数の個数: 24

約数和(自身を含む): 43089312

約数和(自身を除く): 27700332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256483, 512966, 769449, 1025932, 1282415, 1538898, 2564830, 3077796, 3847245, 5129660, 7694490, 15388980]

約数ペア:

[(1, 15388980), (2, 7694490), (3, 5129660), (4, 3847245), (5, 3077796), (6, 2564830), (10, 1538898), (12, 1282415), (15, 1025932), (20, 769449), (30, 512966), (60, 256483)]