178115840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 494876928

約数和(自身を除く): 316761088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 193, 206, 224, 256, 280, 320, 386, 412, 448, 515, 560, 640, 721, 772, 824, 896, 965, 1030, 1120, 1280, 1351, 1442, 1544, 1648, 1792, 1930, 2060, 2240, 2702, 2884, 3088, 3296, 3605, 3860, 4120, 4480, 5404, 5768, 6176, 6592, 6755, 7210, 7720, 8240, 8960, 10808, 11536, 12352, 13184, 13510, 14420, 15440, 16480, 19879, 21616, 23072, 24704, 26368, 27020, 28840, 30880, 32960, 39758, 43232, 46144, 49408, 54040, 57680, 61760, 65920, 79516, 86464, 92288, 99395, 108080, 115360, 123520, 131840, 139153, 159032, 172928, 184576, 198790, 216160, 230720, 247040, 278306, 318064, 345856, 397580, 432320, 461440, 556612, 636128, 695765, 795160, 864640, 922880, 1113224, 1272256, 1391530, 1590320, 1729280, 2226448, 2544512, 2783060, 3180640, 4452896, 5089024, 5566120, 6361280, 8905792, 11132240, 12722560, 17811584, 22264480, 25445120, 35623168, 44528960, 89057920, 178115840]

約数ペア:

[(1, 178115840), (2, 89057920), (4, 44528960), (5, 35623168), (7, 25445120), (8, 22264480), (10, 17811584), (14, 12722560), (16, 11132240), (20, 8905792), (28, 6361280), (32, 5566120), (35, 5089024), (40, 4452896), (56, 3180640), (64, 2783060), (70, 2544512), (80, 2226448), (103, 1729280), (112, 1590320), (128, 1391530), (140, 1272256), (160, 1113224), (193, 922880), (206, 864640), (224, 795160), (256, 695765), (280, 636128), (320, 556612), (386, 461440), (412, 432320), (448, 397580), (515, 345856), (560, 318064), (640, 278306), (721, 247040), (772, 230720), (824, 216160), (896, 198790), (965, 184576), (1030, 172928), (1120, 159032), (1280, 139153), (1351, 131840), (1442, 123520), (1544, 115360), (1648, 108080), (1792, 99395), (1930, 92288), (2060, 86464), (2240, 79516), (2702, 65920), (2884, 61760), (3088, 57680), (3296, 54040), (3605, 49408), (3860, 46144), (4120, 43232), (4480, 39758), (5404, 32960), (5768, 30880), (6176, 28840), (6592, 27020), (6755, 26368), (7210, 24704), (7720, 23072), (8240, 21616), (8960, 19879), (10808, 16480), (11536, 15440), (12352, 14420), (13184, 13510)]