28712220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9029}}^1$

素因数の和:9094

約数の個数: 48

約数和(自身を含む): 81920160

約数和(自身を除く): 53207940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 9029, 18058, 27087, 36116, 45145, 54174, 90290, 108348, 135435, 180580, 270870, 478537, 541740, 957074, 1435611, 1914148, 2392685, 2871222, 4785370, 5742444, 7178055, 9570740, 14356110, 28712220]

約数ペア:

[(1, 28712220), (2, 14356110), (3, 9570740), (4, 7178055), (5, 5742444), (6, 4785370), (10, 2871222), (12, 2392685), (15, 1914148), (20, 1435611), (30, 957074), (53, 541740), (60, 478537), (106, 270870), (159, 180580), (212, 135435), (265, 108348), (318, 90290), (530, 54174), (636, 45145), (795, 36116), (1060, 27087), (1590, 18058), (3180, 9029)]