64025220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152441}}^1$

素因数の和:152460

約数の個数: 48

約数和(自身を含む): 204882048

約数和(自身を除く): 140856828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 152441, 304882, 457323, 609764, 762205, 914646, 1067087, 1524410, 1829292, 2134174, 2286615, 3048820, 3201261, 4268348, 4573230, 5335435, 6402522, 9146460, 10670870, 12805044, 16006305, 21341740, 32012610, 64025220]

約数ペア:

[(1, 64025220), (2, 32012610), (3, 21341740), (4, 16006305), (5, 12805044), (6, 10670870), (7, 9146460), (10, 6402522), (12, 5335435), (14, 4573230), (15, 4268348), (20, 3201261), (21, 3048820), (28, 2286615), (30, 2134174), (35, 1829292), (42, 1524410), (60, 1067087), (70, 914646), (84, 762205), (105, 609764), (140, 457323), (210, 304882), (420, 152441)]