312459280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 866016000

約数和(自身を除く): 553556720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 193, 196, 236, 245, 280, 295, 343, 386, 392, 413, 472, 490, 560, 590, 686, 772, 784, 826, 944, 965, 980, 1180, 1351, 1372, 1544, 1652, 1715, 1930, 1960, 2065, 2360, 2702, 2744, 2891, 3088, 3304, 3430, 3860, 3920, 4130, 4720, 5404, 5488, 5782, 6608, 6755, 6860, 7720, 8260, 9457, 10808, 11387, 11564, 13510, 13720, 14455, 15440, 16520, 18914, 20237, 21616, 22774, 23128, 27020, 27440, 28910, 33040, 37828, 40474, 45548, 46256, 47285, 54040, 56935, 57820, 66199, 75656, 79709, 80948, 91096, 94570, 101185, 108080, 113870, 115640, 132398, 151312, 159418, 161896, 182192, 189140, 202370, 227740, 231280, 264796, 318836, 323792, 330995, 378280, 398545, 404740, 455480, 529592, 557963, 637672, 661990, 756560, 797090, 809480, 910960, 1059184, 1115926, 1275344, 1323980, 1594180, 1618960, 2231852, 2647960, 2789815, 3188360, 3905741, 4463704, 5295920, 5579630, 6376720, 7811482, 8927408, 11159260, 15622964, 19528705, 22318520, 31245928, 39057410, 44637040, 62491856, 78114820, 156229640, 312459280]

約数ペア:

[(1, 312459280), (2, 156229640), (4, 78114820), (5, 62491856), (7, 44637040), (8, 39057410), (10, 31245928), (14, 22318520), (16, 19528705), (20, 15622964), (28, 11159260), (35, 8927408), (40, 7811482), (49, 6376720), (56, 5579630), (59, 5295920), (70, 4463704), (80, 3905741), (98, 3188360), (112, 2789815), (118, 2647960), (140, 2231852), (193, 1618960), (196, 1594180), (236, 1323980), (245, 1275344), (280, 1115926), (295, 1059184), (343, 910960), (386, 809480), (392, 797090), (413, 756560), (472, 661990), (490, 637672), (560, 557963), (590, 529592), (686, 455480), (772, 404740), (784, 398545), (826, 378280), (944, 330995), (965, 323792), (980, 318836), (1180, 264796), (1351, 231280), (1372, 227740), (1544, 202370), (1652, 189140), (1715, 182192), (1930, 161896), (1960, 159418), (2065, 151312), (2360, 132398), (2702, 115640), (2744, 113870), (2891, 108080), (3088, 101185), (3304, 94570), (3430, 91096), (3860, 80948), (3920, 79709), (4130, 75656), (4720, 66199), (5404, 57820), (5488, 56935), (5782, 54040), (6608, 47285), (6755, 46256), (6860, 45548), (7720, 40474), (8260, 37828), (9457, 33040), (10808, 28910), (11387, 27440), (11564, 27020), (13510, 23128), (13720, 22774), (14455, 21616), (15440, 20237), (16520, 18914)]