28717020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159539}}^1$

素因数の和:159554

約数の個数: 36

約数和(自身を含む): 87108840

約数和(自身を除く): 58391820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159539, 319078, 478617, 638156, 797695, 957234, 1435851, 1595390, 1914468, 2393085, 2871702, 3190780, 4786170, 5743404, 7179255, 9572340, 14358510, 28717020]

約数ペア:

[(1, 28717020), (2, 14358510), (3, 9572340), (4, 7179255), (5, 5743404), (6, 4786170), (9, 3190780), (10, 2871702), (12, 2393085), (15, 1914468), (18, 1595390), (20, 1435851), (30, 957234), (36, 797695), (45, 638156), (60, 478617), (90, 319078), (180, 159539)]