11780720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 31753920

約数和(自身を除く): 19973200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 193, 218, 280, 386, 436, 545, 560, 763, 772, 872, 965, 1090, 1351, 1526, 1544, 1744, 1930, 2180, 2702, 3052, 3088, 3815, 3860, 4360, 5404, 6104, 6755, 7630, 7720, 8720, 10808, 12208, 13510, 15260, 15440, 21037, 21616, 27020, 30520, 42074, 54040, 61040, 84148, 105185, 108080, 147259, 168296, 210370, 294518, 336592, 420740, 589036, 736295, 841480, 1178072, 1472590, 1682960, 2356144, 2945180, 5890360, 11780720]

約数ペア:

[(1, 11780720), (2, 5890360), (4, 2945180), (5, 2356144), (7, 1682960), (8, 1472590), (10, 1178072), (14, 841480), (16, 736295), (20, 589036), (28, 420740), (35, 336592), (40, 294518), (56, 210370), (70, 168296), (80, 147259), (109, 108080), (112, 105185), (140, 84148), (193, 61040), (218, 54040), (280, 42074), (386, 30520), (436, 27020), (545, 21616), (560, 21037), (763, 15440), (772, 15260), (872, 13510), (965, 12208), (1090, 10808), (1351, 8720), (1526, 7720), (1544, 7630), (1744, 6755), (1930, 6104), (2180, 5404), (2702, 4360), (3052, 3860), (3088, 3815)]