66791480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{907}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 172592640

約数和(自身を除く): 105801160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 907, 1052, 1315, 1814, 1841, 2104, 2630, 3628, 3682, 4535, 5260, 6349, 7256, 7364, 9070, 9205, 10520, 12698, 14728, 18140, 18410, 25396, 31745, 36280, 36820, 50792, 63490, 73640, 126980, 238541, 253960, 477082, 954164, 1192705, 1669787, 1908328, 2385410, 3339574, 4770820, 6679148, 8348935, 9541640, 13358296, 16697870, 33395740, 66791480]

約数ペア:

[(1, 66791480), (2, 33395740), (4, 16697870), (5, 13358296), (7, 9541640), (8, 8348935), (10, 6679148), (14, 4770820), (20, 3339574), (28, 2385410), (35, 1908328), (40, 1669787), (56, 1192705), (70, 954164), (140, 477082), (263, 253960), (280, 238541), (526, 126980), (907, 73640), (1052, 63490), (1315, 50792), (1814, 36820), (1841, 36280), (2104, 31745), (2630, 25396), (3628, 18410), (3682, 18140), (4535, 14728), (5260, 12698), (6349, 10520), (7256, 9205), (7364, 9070)]