120815060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{194863}}^1$

素因数の和:194903

約数の個数: 24

約数和(自身を含む): 261897216

約数和(自身を除く): 141082156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 194863, 389726, 779452, 974315, 1948630, 3897260, 6040753, 12081506, 24163012, 30203765, 60407530, 120815060]

約数ペア:

[(1, 120815060), (2, 60407530), (4, 30203765), (5, 24163012), (10, 12081506), (20, 6040753), (31, 3897260), (62, 1948630), (124, 974315), (155, 779452), (310, 389726), (620, 194863)]