289228960

素因数分解:

$2^5\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1663}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 684343296

約数和(自身を除く): 395114336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1087, 1663, 2174, 3326, 4348, 5435, 6652, 8315, 8696, 10870, 13304, 16630, 17392, 21740, 26608, 33260, 34784, 43480, 53216, 66520, 86960, 133040, 173920, 266080, 1807681, 3615362, 7230724, 9038405, 14461448, 18076810, 28922896, 36153620, 57845792, 72307240, 144614480, 289228960]

約数ペア:

[(1, 289228960), (2, 144614480), (4, 72307240), (5, 57845792), (8, 36153620), (10, 28922896), (16, 18076810), (20, 14461448), (32, 9038405), (40, 7230724), (80, 3615362), (160, 1807681), (1087, 266080), (1663, 173920), (2174, 133040), (3326, 86960), (4348, 66520), (5435, 53216), (6652, 43480), (8315, 34784), (8696, 33260), (10870, 26608), (13304, 21740), (16630, 17392)]