78312145620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2505187}}^1$

素因数の和:2505720

約数の個数: 48

約数和(自身を含む): 219694966848

約数和(自身を除く): 141382821228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2605, 3126, 5210, 6252, 7815, 10420, 15630, 31260, 2505187, 5010374, 7515561, 10020748, 12525935, 15031122, 25051870, 30062244, 37577805, 50103740, 75155610, 150311220, 1305202427, 2610404854, 3915607281, 5220809708, 6526012135, 7831214562, 13052024270, 15662429124, 19578036405, 26104048540, 39156072810, 78312145620]

約数ペア:

[(1, 78312145620), (2, 39156072810), (3, 26104048540), (4, 19578036405), (5, 15662429124), (6, 13052024270), (10, 7831214562), (12, 6526012135), (15, 5220809708), (20, 3915607281), (30, 2610404854), (60, 1305202427), (521, 150311220), (1042, 75155610), (1563, 50103740), (2084, 37577805), (2605, 30062244), (3126, 25051870), (5210, 15031122), (6252, 12525935), (7815, 10020748), (10420, 7515561), (15630, 5010374), (31260, 2505187)]