12278220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4759}}^1$

素因数の和:4814

約数の個数: 48

約数和(自身を含む): 35185920

約数和(自身を除く): 22907700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 4759, 9518, 14277, 19036, 23795, 28554, 47590, 57108, 71385, 95180, 142770, 204637, 285540, 409274, 613911, 818548, 1023185, 1227822, 2046370, 2455644, 3069555, 4092740, 6139110, 12278220]

約数ペア:

[(1, 12278220), (2, 6139110), (3, 4092740), (4, 3069555), (5, 2455644), (6, 2046370), (10, 1227822), (12, 1023185), (15, 818548), (20, 613911), (30, 409274), (43, 285540), (60, 204637), (86, 142770), (129, 95180), (172, 71385), (215, 57108), (258, 47590), (430, 28554), (516, 23795), (645, 19036), (860, 14277), (1290, 9518), (2580, 4759)]