131320260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{729557}}^1$

素因数の和:729572

約数の個数: 36

約数和(自身を含む): 398338668

約数和(自身を除く): 267018408

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 729557, 1459114, 2188671, 2918228, 3647785, 4377342, 6566013, 7295570, 8754684, 10943355, 13132026, 14591140, 21886710, 26264052, 32830065, 43773420, 65660130, 131320260]

約数ペア:

[(1, 131320260), (2, 65660130), (3, 43773420), (4, 32830065), (5, 26264052), (6, 21886710), (9, 14591140), (10, 13132026), (12, 10943355), (15, 8754684), (18, 7295570), (20, 6566013), (30, 4377342), (36, 3647785), (45, 2918228), (60, 2188671), (90, 1459114), (180, 729557)]