7915830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20320

約数の個数: 32

約数和(自身を含む): 20460384

約数和(自身を除く): 12544554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20297, 40594, 60891, 101485, 121782, 202970, 263861, 304455, 527722, 608910, 791583, 1319305, 1583166, 2638610, 3957915, 7915830]

約数ペア:

[(1, 7915830), (2, 3957915), (3, 2638610), (5, 1583166), (6, 1319305), (10, 791583), (13, 608910), (15, 527722), (26, 304455), (30, 263861), (39, 202970), (65, 121782), (78, 101485), (130, 60891), (195, 40594), (390, 20297)]