123456260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 269402112

約数和(自身を除く): 145945852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1151, 1730, 2302, 3460, 4604, 5363, 5755, 10726, 11510, 21452, 23020, 26815, 35681, 53630, 71362, 107260, 142724, 178405, 199123, 356810, 398246, 713620, 796492, 995615, 1991230, 3982460, 6172813, 12345626, 24691252, 30864065, 61728130, 123456260]

約数ペア:

[(1, 123456260), (2, 61728130), (4, 30864065), (5, 24691252), (10, 12345626), (20, 6172813), (31, 3982460), (62, 1991230), (124, 995615), (155, 796492), (173, 713620), (310, 398246), (346, 356810), (620, 199123), (692, 178405), (865, 142724), (1151, 107260), (1730, 71362), (2302, 53630), (3460, 35681), (4604, 26815), (5363, 23020), (5755, 21452), (10726, 11510)]