72181060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{515579}}^1$

素因数の和:515595

約数の個数: 24

約数和(自身を含む): 173234880

約数和(自身を除く): 101053820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 515579, 1031158, 2062316, 2577895, 3609053, 5155790, 7218106, 10311580, 14436212, 18045265, 36090530, 72181060]

約数ペア:

[(1, 72181060), (2, 36090530), (4, 18045265), (5, 14436212), (7, 10311580), (10, 7218106), (14, 5155790), (20, 3609053), (28, 2577895), (35, 2062316), (70, 1031158), (140, 515579)]