90132280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321901}}^1$

素因数の和:321919

約数の個数: 32

約数和(自身を含む): 231769440

約数和(自身を除く): 141637160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321901, 643802, 1287604, 1609505, 2253307, 2575208, 3219010, 4506614, 6438020, 9013228, 11266535, 12876040, 18026456, 22533070, 45066140, 90132280]

約数ペア:

[(1, 90132280), (2, 45066140), (4, 22533070), (5, 18026456), (7, 12876040), (8, 11266535), (10, 9013228), (14, 6438020), (20, 4506614), (28, 3219010), (35, 2575208), (40, 2253307), (56, 1609505), (70, 1287604), (140, 643802), (280, 321901)]