2178180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{12101}}^1$

素因数の和:12116

約数の個数: 36

約数和(自身を含む): 6607692

約数和(自身を除く): 4429512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 12101, 24202, 36303, 48404, 60505, 72606, 108909, 121010, 145212, 181515, 217818, 242020, 363030, 435636, 544545, 726060, 1089090, 2178180]

約数ペア:

[(1, 2178180), (2, 1089090), (3, 726060), (4, 544545), (5, 435636), (6, 363030), (9, 242020), (10, 217818), (12, 181515), (15, 145212), (18, 121010), (20, 108909), (30, 72606), (36, 60505), (45, 48404), (60, 36303), (90, 24202), (180, 12101)]