2881860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 8264256

約数和(自身を除く): 5382396

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, 1117, 1290, 2234, 2580, 3351, 4468, 5585, 6702, 11170, 13404, 16755, 22340, 33510, 48031, 67020, 96062, 144093, 192124, 240155, 288186, 480310, 576372, 720465, 960620, 1440930, 2881860]

約数ペア:

[(1, 2881860), (2, 1440930), (3, 960620), (4, 720465), (5, 576372), (6, 480310), (10, 288186), (12, 240155), (15, 192124), (20, 144093), (30, 96062), (43, 67020), (60, 48031), (86, 33510), (129, 22340), (172, 16755), (215, 13404), (258, 11170), (430, 6702), (516, 5585), (645, 4468), (860, 3351), (1117, 2580), (1290, 2234)]