156978231980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2711}}^1\times {\mathrm{12983}}^1$

素因数の和:15926

約数の個数: 48

約数和(自身を含む): 331280216064

約数和(自身を除く): 174301984084

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2711, 4460, 5422, 10844, 12983, 13555, 25966, 27110, 51932, 54220, 64915, 129830, 259660, 604553, 1209106, 2418212, 2895209, 3022765, 5790418, 6045530, 11580836, 12091060, 14476045, 28952090, 35196913, 57904180, 70393826, 140787652, 175984565, 351969130, 703938260, 7848911599, 15697823198, 31395646396, 39244557995, 78489115990, 156978231980]

約数ペア:

[(1, 156978231980), (2, 78489115990), (4, 39244557995), (5, 31395646396), (10, 15697823198), (20, 7848911599), (223, 703938260), (446, 351969130), (892, 175984565), (1115, 140787652), (2230, 70393826), (2711, 57904180), (4460, 35196913), (5422, 28952090), (10844, 14476045), (12983, 12091060), (13555, 11580836), (25966, 6045530), (27110, 5790418), (51932, 3022765), (54220, 2895209), (64915, 2418212), (129830, 1209106), (259660, 604553)]