180054980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1286107}}^1$

素因数の和:1286123

約数の個数: 24

約数和(自身を含む): 432132288

約数和(自身を除く): 252077308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1286107, 2572214, 5144428, 6430535, 9002749, 12861070, 18005498, 25722140, 36010996, 45013745, 90027490, 180054980]

約数ペア:

[(1, 180054980), (2, 90027490), (4, 45013745), (5, 36010996), (7, 25722140), (10, 18005498), (14, 12861070), (20, 9002749), (28, 6430535), (35, 5144428), (70, 2572214), (140, 1286107)]