123091520

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3529}}^1$

素因数の和:3655

約数の個数: 56

約数和(自身を含む): 295884600

約数和(自身を除く): 172793080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 3529, 4360, 6976, 7058, 8720, 14116, 17440, 17645, 28232, 34880, 35290, 56464, 70580, 112928, 141160, 225856, 282320, 384661, 564640, 769322, 1129280, 1538644, 1923305, 3077288, 3846610, 6154576, 7693220, 12309152, 15386440, 24618304, 30772880, 61545760, 123091520]

約数ペア:

[(1, 123091520), (2, 61545760), (4, 30772880), (5, 24618304), (8, 15386440), (10, 12309152), (16, 7693220), (20, 6154576), (32, 3846610), (40, 3077288), (64, 1923305), (80, 1538644), (109, 1129280), (160, 769322), (218, 564640), (320, 384661), (436, 282320), (545, 225856), (872, 141160), (1090, 112928), (1744, 70580), (2180, 56464), (3488, 35290), (3529, 34880), (4360, 28232), (6976, 17645), (7058, 17440), (8720, 14116)]