64921590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{721351}}^1$

素因数の和:721364

約数の個数: 24

約数和(自身を含む): 168796368

約数和(自身を除く): 103874778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 721351, 1442702, 2164053, 3606755, 4328106, 6492159, 7213510, 10820265, 12984318, 21640530, 32460795, 64921590]

約数ペア:

[(1, 64921590), (2, 32460795), (3, 21640530), (5, 12984318), (6, 10820265), (9, 7213510), (10, 6492159), (15, 4328106), (18, 3606755), (30, 2164053), (45, 1442702), (90, 721351)]