78155660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{631}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 179649792

約数和(自身を除く): 101494132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 563, 631, 1126, 1262, 2252, 2524, 2815, 3155, 5630, 6193, 6310, 6941, 11260, 12386, 12620, 13882, 24772, 27764, 30965, 34705, 61930, 69410, 123860, 138820, 355253, 710506, 1421012, 1776265, 3552530, 3907783, 7105060, 7815566, 15631132, 19538915, 39077830, 78155660]

約数ペア:

[(1, 78155660), (2, 39077830), (4, 19538915), (5, 15631132), (10, 7815566), (11, 7105060), (20, 3907783), (22, 3552530), (44, 1776265), (55, 1421012), (110, 710506), (220, 355253), (563, 138820), (631, 123860), (1126, 69410), (1262, 61930), (2252, 34705), (2524, 30965), (2815, 27764), (3155, 24772), (5630, 13882), (6193, 12620), (6310, 12386), (6941, 11260)]