18680580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1759}}^1$

素因数の和:1833

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 38977020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1759, 1770, 2124, 2655, 3518, 3540, 5277, 5310, 7036, 8795, 10554, 10620, 15831, 17590, 21108, 26385, 31662, 35180, 52770, 63324, 79155, 103781, 105540, 158310, 207562, 311343, 316620, 415124, 518905, 622686, 934029, 1037810, 1245372, 1556715, 1868058, 2075620, 3113430, 3736116, 4670145, 6226860, 9340290, 18680580]

約数ペア:

[(1, 18680580), (2, 9340290), (3, 6226860), (4, 4670145), (5, 3736116), (6, 3113430), (9, 2075620), (10, 1868058), (12, 1556715), (15, 1245372), (18, 1037810), (20, 934029), (30, 622686), (36, 518905), (45, 415124), (59, 316620), (60, 311343), (90, 207562), (118, 158310), (177, 105540), (180, 103781), (236, 79155), (295, 63324), (354, 52770), (531, 35180), (590, 31662), (708, 26385), (885, 21108), (1062, 17590), (1180, 15831), (1759, 10620), (1770, 10554), (2124, 8795), (2655, 7036), (3518, 5310), (3540, 5277)]