128900784

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 341763840

約数和(自身を除く): 212863056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 109, 142, 213, 218, 284, 327, 347, 426, 436, 568, 654, 694, 852, 872, 1041, 1136, 1308, 1388, 1704, 1744, 2082, 2616, 2776, 3408, 4164, 5232, 5552, 7739, 8328, 15478, 16656, 23217, 24637, 30956, 37823, 46434, 49274, 61912, 73911, 75646, 92868, 98548, 113469, 123824, 147822, 151292, 185736, 197096, 226938, 295644, 302584, 371472, 394192, 453876, 591288, 605168, 907752, 1182576, 1815504, 2685433, 5370866, 8056299, 10741732, 16112598, 21483464, 32225196, 42966928, 64450392, 128900784]

約数ペア:

[(1, 128900784), (2, 64450392), (3, 42966928), (4, 32225196), (6, 21483464), (8, 16112598), (12, 10741732), (16, 8056299), (24, 5370866), (48, 2685433), (71, 1815504), (109, 1182576), (142, 907752), (213, 605168), (218, 591288), (284, 453876), (327, 394192), (347, 371472), (426, 302584), (436, 295644), (568, 226938), (654, 197096), (694, 185736), (852, 151292), (872, 147822), (1041, 123824), (1136, 113469), (1308, 98548), (1388, 92868), (1704, 75646), (1744, 73911), (2082, 61912), (2616, 49274), (2776, 46434), (3408, 37823), (4164, 30956), (5232, 24637), (5552, 23217), (7739, 16656), (8328, 15478)]