205268220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1140379}}^1$

素因数の和:1140394

約数の個数: 36

約数和(自身を含む): 622647480

約数和(自身を除く): 417379260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1140379, 2280758, 3421137, 4561516, 5701895, 6842274, 10263411, 11403790, 13684548, 17105685, 20526822, 22807580, 34211370, 41053644, 51317055, 68422740, 102634110, 205268220]

約数ペア:

[(1, 205268220), (2, 102634110), (3, 68422740), (4, 51317055), (5, 41053644), (6, 34211370), (9, 22807580), (10, 20526822), (12, 17105685), (15, 13684548), (18, 11403790), (20, 10263411), (30, 6842274), (36, 5701895), (45, 4561516), (60, 3421137), (90, 2280758), (180, 1140379)]