1531660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 3570336

約数和(自身を除く): 2038676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 137, 172, 215, 260, 274, 430, 548, 559, 685, 860, 1118, 1370, 1781, 2236, 2740, 2795, 3562, 5590, 5891, 7124, 8905, 11180, 11782, 17810, 23564, 29455, 35620, 58910, 76583, 117820, 153166, 306332, 382915, 765830, 1531660]

約数ペア:

[(1, 1531660), (2, 765830), (4, 382915), (5, 306332), (10, 153166), (13, 117820), (20, 76583), (26, 58910), (43, 35620), (52, 29455), (65, 23564), (86, 17810), (130, 11782), (137, 11180), (172, 8905), (215, 7124), (260, 5891), (274, 5590), (430, 3562), (548, 2795), (559, 2740), (685, 2236), (860, 1781), (1118, 1370)]