64787640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539897}}^1$

素因数の和:539911

約数の個数: 32

約数和(自身を含む): 194363280

約数和(自身を除く): 129575640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539897, 1079794, 1619691, 2159588, 2699485, 3239382, 4319176, 5398970, 6478764, 8098455, 10797940, 12957528, 16196910, 21595880, 32393820, 64787640]

約数ペア:

[(1, 64787640), (2, 32393820), (3, 21595880), (4, 16196910), (5, 12957528), (6, 10797940), (8, 8098455), (10, 6478764), (12, 5398970), (15, 4319176), (20, 3239382), (24, 2699485), (30, 2159588), (40, 1619691), (60, 1079794), (120, 539897)]