261505260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1$

素因数の和:837

約数の個数: 120

約数和(自身を含む): 824503680

約数和(自身を除く): 562998420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 337, 405, 479, 540, 674, 810, 958, 1011, 1348, 1437, 1620, 1685, 1916, 2022, 2395, 2874, 3033, 3370, 4044, 4311, 4790, 5055, 5748, 6066, 6740, 7185, 8622, 9099, 9580, 10110, 12132, 12933, 14370, 15165, 17244, 18198, 20220, 21555, 25866, 27297, 28740, 30330, 36396, 38799, 43110, 45495, 51732, 54594, 60660, 64665, 77598, 86220, 90990, 109188, 129330, 136485, 155196, 161423, 181980, 193995, 258660, 272970, 322846, 387990, 484269, 545940, 645692, 775980, 807115, 968538, 1452807, 1614230, 1937076, 2421345, 2905614, 3228460, 4358421, 4842690, 5811228, 7264035, 8716842, 9685380, 13075263, 14528070, 17433684, 21792105, 26150526, 29056140, 43584210, 52301052, 65376315, 87168420, 130752630, 261505260]

約数ペア:

[(1, 261505260), (2, 130752630), (3, 87168420), (4, 65376315), (5, 52301052), (6, 43584210), (9, 29056140), (10, 26150526), (12, 21792105), (15, 17433684), (18, 14528070), (20, 13075263), (27, 9685380), (30, 8716842), (36, 7264035), (45, 5811228), (54, 4842690), (60, 4358421), (81, 3228460), (90, 2905614), (108, 2421345), (135, 1937076), (162, 1614230), (180, 1452807), (270, 968538), (324, 807115), (337, 775980), (405, 645692), (479, 545940), (540, 484269), (674, 387990), (810, 322846), (958, 272970), (1011, 258660), (1348, 193995), (1437, 181980), (1620, 161423), (1685, 155196), (1916, 136485), (2022, 129330), (2395, 109188), (2874, 90990), (3033, 86220), (3370, 77598), (4044, 64665), (4311, 60660), (4790, 54594), (5055, 51732), (5748, 45495), (6066, 43110), (6740, 38799), (7185, 36396), (8622, 30330), (9099, 28740), (9580, 27297), (10110, 25866), (12132, 21555), (12933, 20220), (14370, 18198), (15165, 17244)]