2660120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 6073920

約数和(自身を除く): 3413800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 911, 1460, 1822, 2920, 3644, 4555, 7288, 9110, 18220, 36440, 66503, 133006, 266012, 332515, 532024, 665030, 1330060, 2660120]

約数ペア:

[(1, 2660120), (2, 1330060), (4, 665030), (5, 532024), (8, 332515), (10, 266012), (20, 133006), (40, 66503), (73, 36440), (146, 18220), (292, 9110), (365, 7288), (584, 4555), (730, 3644), (911, 2920), (1460, 1822)]