2118180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 6076224

約数和(自身を除く): 3958044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 821, 860, 1290, 1642, 2463, 2580, 3284, 4105, 4926, 8210, 9852, 12315, 16420, 24630, 35303, 49260, 70606, 105909, 141212, 176515, 211818, 353030, 423636, 529545, 706060, 1059090, 2118180]

約数ペア:

[(1, 2118180), (2, 1059090), (3, 706060), (4, 529545), (5, 423636), (6, 353030), (10, 211818), (12, 176515), (15, 141212), (20, 105909), (30, 70606), (43, 49260), (60, 35303), (86, 24630), (129, 16420), (172, 12315), (215, 9852), (258, 8210), (430, 4926), (516, 4105), (645, 3284), (821, 2580), (860, 2463), (1290, 1642)]