81482170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 114473030

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 41, 55, 58, 70, 77, 82, 89, 110, 145, 154, 178, 203, 205, 287, 290, 319, 385, 406, 410, 445, 451, 574, 623, 638, 770, 890, 902, 979, 1015, 1189, 1246, 1435, 1595, 1958, 2030, 2233, 2255, 2378, 2581, 2870, 3115, 3157, 3190, 3649, 4466, 4510, 4895, 5162, 5945, 6230, 6314, 6853, 7298, 8323, 9790, 11165, 11890, 12905, 13079, 13706, 15785, 16646, 18067, 18245, 22330, 25543, 25810, 26158, 28391, 31570, 34265, 36134, 36490, 40139, 41615, 51086, 56782, 65395, 68530, 80278, 83230, 90335, 91553, 105821, 127715, 130790, 141955, 180670, 183106, 198737, 200695, 211642, 255430, 280973, 283910, 397474, 401390, 457765, 529105, 561946, 740747, 915530, 993685, 1058210, 1164031, 1404865, 1481494, 1987370, 2328062, 2809730, 3703735, 5820155, 7407470, 8148217, 11640310, 16296434, 40741085, 81482170]

約数ペア:

[(1, 81482170), (2, 40741085), (5, 16296434), (7, 11640310), (10, 8148217), (11, 7407470), (14, 5820155), (22, 3703735), (29, 2809730), (35, 2328062), (41, 1987370), (55, 1481494), (58, 1404865), (70, 1164031), (77, 1058210), (82, 993685), (89, 915530), (110, 740747), (145, 561946), (154, 529105), (178, 457765), (203, 401390), (205, 397474), (287, 283910), (290, 280973), (319, 255430), (385, 211642), (406, 200695), (410, 198737), (445, 183106), (451, 180670), (574, 141955), (623, 130790), (638, 127715), (770, 105821), (890, 91553), (902, 90335), (979, 83230), (1015, 80278), (1189, 68530), (1246, 65395), (1435, 56782), (1595, 51086), (1958, 41615), (2030, 40139), (2233, 36490), (2255, 36134), (2378, 34265), (2581, 31570), (2870, 28391), (3115, 26158), (3157, 25810), (3190, 25543), (3649, 22330), (4466, 18245), (4510, 18067), (4895, 16646), (5162, 15785), (5945, 13706), (6230, 13079), (6314, 12905), (6853, 11890), (7298, 11165), (8323, 9790)]