78900180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315003}}^1$

素因数の和:1315015

約数の個数: 24

約数和(自身を含む): 220920672

約数和(自身を除く): 142020492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315003, 2630006, 3945009, 5260012, 6575015, 7890018, 13150030, 15780036, 19725045, 26300060, 39450090, 78900180]

約数ペア:

[(1, 78900180), (2, 39450090), (3, 26300060), (4, 19725045), (5, 15780036), (6, 13150030), (10, 7890018), (12, 6575015), (15, 5260012), (20, 3945009), (30, 2630006), (60, 1315003)]