18495480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 56217600

約数和(自身を除く): 37722120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 1951, 2370, 3160, 3902, 4740, 5853, 7804, 9480, 9755, 11706, 15608, 19510, 23412, 29265, 39020, 46824, 58530, 78040, 117060, 154129, 234120, 308258, 462387, 616516, 770645, 924774, 1233032, 1541290, 1849548, 2311935, 3082580, 3699096, 4623870, 6165160, 9247740, 18495480]

約数ペア:

[(1, 18495480), (2, 9247740), (3, 6165160), (4, 4623870), (5, 3699096), (6, 3082580), (8, 2311935), (10, 1849548), (12, 1541290), (15, 1233032), (20, 924774), (24, 770645), (30, 616516), (40, 462387), (60, 308258), (79, 234120), (120, 154129), (158, 117060), (237, 78040), (316, 58530), (395, 46824), (474, 39020), (632, 29265), (790, 23412), (948, 19510), (1185, 15608), (1580, 11706), (1896, 9755), (1951, 9480), (2370, 7804), (3160, 5853), (3902, 4740)]