2490930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 6977880

約数和(自身を除く): 4486950

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 2129, 4258, 6387, 10645, 12774, 19161, 21290, 27677, 31935, 38322, 55354, 63870, 83031, 95805, 138385, 166062, 191610, 249093, 276770, 415155, 498186, 830310, 1245465, 2490930]

約数ペア:

[(1, 2490930), (2, 1245465), (3, 830310), (5, 498186), (6, 415155), (9, 276770), (10, 249093), (13, 191610), (15, 166062), (18, 138385), (26, 95805), (30, 83031), (39, 63870), (45, 55354), (65, 38322), (78, 31935), (90, 27677), (117, 21290), (130, 19161), (195, 12774), (234, 10645), (390, 6387), (585, 4258), (1170, 2129)]