261531330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{79979}}^1$

素因数の和:80098

約数の個数: 32

約数和(自身を含む): 633441600

約数和(自身を除く): 371910270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 79979, 159958, 239937, 399895, 479874, 799790, 1199685, 2399370, 8717711, 17435422, 26153133, 43588555, 52306266, 87177110, 130765665, 261531330]

約数ペア:

[(1, 261531330), (2, 130765665), (3, 87177110), (5, 52306266), (6, 43588555), (10, 26153133), (15, 17435422), (30, 8717711), (109, 2399370), (218, 1199685), (327, 799790), (545, 479874), (654, 399895), (1090, 239937), (1635, 159958), (3270, 79979)]