81364360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26417}}^1$

素因数の和:26446

約数の個数: 64

約数和(自身を含む): 228251520

約数和(自身を除く): 146887160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26417, 52834, 105668, 132085, 184919, 211336, 264170, 290587, 369838, 528340, 581174, 739676, 924595, 1056680, 1162348, 1452935, 1479352, 1849190, 2034109, 2324696, 2905870, 3698380, 4068218, 5811740, 7396760, 8136436, 10170545, 11623480, 16272872, 20341090, 40682180, 81364360]

約数ペア:

[(1, 81364360), (2, 40682180), (4, 20341090), (5, 16272872), (7, 11623480), (8, 10170545), (10, 8136436), (11, 7396760), (14, 5811740), (20, 4068218), (22, 3698380), (28, 2905870), (35, 2324696), (40, 2034109), (44, 1849190), (55, 1479352), (56, 1452935), (70, 1162348), (77, 1056680), (88, 924595), (110, 739676), (140, 581174), (154, 528340), (220, 369838), (280, 290587), (308, 264170), (385, 211336), (440, 184919), (616, 132085), (770, 105668), (1540, 52834), (3080, 26417)]