72776440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 179768160

約数和(自身を除く): 106991720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 386, 440, 772, 857, 965, 1544, 1714, 1930, 2123, 3428, 3860, 4246, 4285, 6856, 7720, 8492, 8570, 9427, 10615, 16984, 17140, 18854, 21230, 34280, 37708, 42460, 47135, 75416, 84920, 94270, 165401, 188540, 330802, 377080, 661604, 827005, 1323208, 1654010, 1819411, 3308020, 3638822, 6616040, 7277644, 9097055, 14555288, 18194110, 36388220, 72776440]

約数ペア:

[(1, 72776440), (2, 36388220), (4, 18194110), (5, 14555288), (8, 9097055), (10, 7277644), (11, 6616040), (20, 3638822), (22, 3308020), (40, 1819411), (44, 1654010), (55, 1323208), (88, 827005), (110, 661604), (193, 377080), (220, 330802), (386, 188540), (440, 165401), (772, 94270), (857, 84920), (965, 75416), (1544, 47135), (1714, 42460), (1930, 37708), (2123, 34280), (3428, 21230), (3860, 18854), (4246, 17140), (4285, 16984), (6856, 10615), (7720, 9427), (8492, 8570)]