66685360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 178399296

約数和(自身を除く): 111713936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 280, 386, 560, 617, 772, 965, 1234, 1351, 1544, 1930, 2468, 2702, 3085, 3088, 3860, 4319, 4936, 5404, 6170, 6755, 7720, 8638, 9872, 10808, 12340, 13510, 15440, 17276, 21595, 21616, 24680, 27020, 34552, 43190, 49360, 54040, 69104, 86380, 108080, 119081, 172760, 238162, 345520, 476324, 595405, 833567, 952648, 1190810, 1667134, 1905296, 2381620, 3334268, 4167835, 4763240, 6668536, 8335670, 9526480, 13337072, 16671340, 33342680, 66685360]

約数ペア:

[(1, 66685360), (2, 33342680), (4, 16671340), (5, 13337072), (7, 9526480), (8, 8335670), (10, 6668536), (14, 4763240), (16, 4167835), (20, 3334268), (28, 2381620), (35, 1905296), (40, 1667134), (56, 1190810), (70, 952648), (80, 833567), (112, 595405), (140, 476324), (193, 345520), (280, 238162), (386, 172760), (560, 119081), (617, 108080), (772, 86380), (965, 69104), (1234, 54040), (1351, 49360), (1544, 43190), (1930, 34552), (2468, 27020), (2702, 24680), (3085, 21616), (3088, 21595), (3860, 17276), (4319, 15440), (4936, 13510), (5404, 12340), (6170, 10808), (6755, 9872), (7720, 8638)]