2659380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 7526400

約数和(自身を除く): 4867020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 349, 381, 508, 635, 698, 762, 1047, 1270, 1396, 1524, 1745, 1905, 2094, 2540, 3490, 3810, 4188, 5235, 6980, 7620, 10470, 20940, 44323, 88646, 132969, 177292, 221615, 265938, 443230, 531876, 664845, 886460, 1329690, 2659380]

約数ペア:

[(1, 2659380), (2, 1329690), (3, 886460), (4, 664845), (5, 531876), (6, 443230), (10, 265938), (12, 221615), (15, 177292), (20, 132969), (30, 88646), (60, 44323), (127, 20940), (254, 10470), (349, 7620), (381, 6980), (508, 5235), (635, 4188), (698, 3810), (762, 3490), (1047, 2540), (1270, 2094), (1396, 1905), (1524, 1745)]