81489180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1358153}}^1$

素因数の和:1358165

約数の個数: 24

約数和(自身を含む): 228169872

約数和(自身を除く): 146680692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1358153, 2716306, 4074459, 5432612, 6790765, 8148918, 13581530, 16297836, 20372295, 27163060, 40744590, 81489180]

約数ペア:

[(1, 81489180), (2, 40744590), (3, 27163060), (4, 20372295), (5, 16297836), (6, 13581530), (10, 8148918), (12, 6790765), (15, 5432612), (20, 4074459), (30, 2716306), (60, 1358153)]