28520820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{158449}}^1$

素因数の和:158464

約数の個数: 36

約数和(自身を含む): 86513700

約数和(自身を除く): 57992880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 158449, 316898, 475347, 633796, 792245, 950694, 1426041, 1584490, 1901388, 2376735, 2852082, 3168980, 4753470, 5704164, 7130205, 9506940, 14260410, 28520820]

約数ペア:

[(1, 28520820), (2, 14260410), (3, 9506940), (4, 7130205), (5, 5704164), (6, 4753470), (9, 3168980), (10, 2852082), (12, 2376735), (15, 1901388), (18, 1584490), (20, 1426041), (30, 950694), (36, 792245), (45, 633796), (60, 475347), (90, 316898), (180, 158449)]