2164620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 6209280

約数和(自身を除く): 4044660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 839, 860, 1290, 1678, 2517, 2580, 3356, 4195, 5034, 8390, 10068, 12585, 16780, 25170, 36077, 50340, 72154, 108231, 144308, 180385, 216462, 360770, 432924, 541155, 721540, 1082310, 2164620]

約数ペア:

[(1, 2164620), (2, 1082310), (3, 721540), (4, 541155), (5, 432924), (6, 360770), (10, 216462), (12, 180385), (15, 144308), (20, 108231), (30, 72154), (43, 50340), (60, 36077), (86, 25170), (129, 16780), (172, 12585), (215, 10068), (258, 8390), (430, 5034), (516, 4195), (645, 3356), (839, 2580), (860, 2517), (1290, 1678)]