81381480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678179}}^1$

素因数の和:678193

約数の個数: 32

約数和(自身を含む): 244144800

約数和(自身を除く): 162763320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678179, 1356358, 2034537, 2712716, 3390895, 4069074, 5425432, 6781790, 8138148, 10172685, 13563580, 16276296, 20345370, 27127160, 40690740, 81381480]

約数ペア:

[(1, 81381480), (2, 40690740), (3, 27127160), (4, 20345370), (5, 16276296), (6, 13563580), (8, 10172685), (10, 8138148), (12, 6781790), (15, 5425432), (20, 4069074), (24, 3390895), (30, 2712716), (40, 2034537), (60, 1356358), (120, 678179)]