28855620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160309}}^1$

素因数の和:160324

約数の個数: 36

約数和(自身を含む): 87529260

約数和(自身を除く): 58673640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160309, 320618, 480927, 641236, 801545, 961854, 1442781, 1603090, 1923708, 2404635, 2885562, 3206180, 4809270, 5771124, 7213905, 9618540, 14427810, 28855620]

約数ペア:

[(1, 28855620), (2, 14427810), (3, 9618540), (4, 7213905), (5, 5771124), (6, 4809270), (9, 3206180), (10, 2885562), (12, 2404635), (15, 1923708), (18, 1603090), (20, 1442781), (30, 961854), (36, 801545), (45, 641236), (60, 480927), (90, 320618), (180, 160309)]