15813780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{587}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 28639020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 587, 898, 1174, 1347, 1761, 1796, 2245, 2348, 2694, 2935, 3522, 4490, 5388, 5870, 6735, 7044, 8805, 8980, 11740, 13470, 17610, 26940, 35220, 263563, 527126, 790689, 1054252, 1317815, 1581378, 2635630, 3162756, 3953445, 5271260, 7906890, 15813780]

約数ペア:

[(1, 15813780), (2, 7906890), (3, 5271260), (4, 3953445), (5, 3162756), (6, 2635630), (10, 1581378), (12, 1317815), (15, 1054252), (20, 790689), (30, 527126), (60, 263563), (449, 35220), (587, 26940), (898, 17610), (1174, 13470), (1347, 11740), (1761, 8980), (1796, 8805), (2245, 7044), (2348, 6735), (2694, 5870), (2935, 5388), (3522, 4490)]