31421340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 64434420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 769, 908, 1135, 1362, 1538, 2043, 2270, 2307, 2724, 3076, 3405, 3845, 4086, 4540, 4614, 6810, 6921, 7690, 8172, 9228, 10215, 11535, 13620, 13842, 15380, 20430, 23070, 27684, 34605, 40860, 46140, 69210, 138420, 174563, 349126, 523689, 698252, 872815, 1047378, 1571067, 1745630, 2094756, 2618445, 3142134, 3491260, 5236890, 6284268, 7855335, 10473780, 15710670, 31421340]

約数ペア:

[(1, 31421340), (2, 15710670), (3, 10473780), (4, 7855335), (5, 6284268), (6, 5236890), (9, 3491260), (10, 3142134), (12, 2618445), (15, 2094756), (18, 1745630), (20, 1571067), (30, 1047378), (36, 872815), (45, 698252), (60, 523689), (90, 349126), (180, 174563), (227, 138420), (454, 69210), (681, 46140), (769, 40860), (908, 34605), (1135, 27684), (1362, 23070), (1538, 20430), (2043, 15380), (2270, 13842), (2307, 13620), (2724, 11535), (3076, 10215), (3405, 9228), (3845, 8172), (4086, 7690), (4540, 6921), (4614, 6810)]