217132720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 160

約数和(自身を含む): 606211200

約数和(自身を除く): 389078480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 193, 196, 205, 245, 280, 287, 328, 343, 386, 392, 410, 490, 560, 574, 656, 686, 772, 784, 820, 965, 980, 1148, 1351, 1372, 1435, 1544, 1640, 1715, 1930, 1960, 2009, 2296, 2702, 2744, 2870, 3088, 3280, 3430, 3860, 3920, 4018, 4592, 5404, 5488, 5740, 6755, 6860, 7720, 7913, 8036, 9457, 10045, 10808, 11480, 13510, 13720, 14063, 15440, 15826, 16072, 18914, 20090, 21616, 22960, 27020, 27440, 28126, 31652, 32144, 37828, 39565, 40180, 47285, 54040, 55391, 56252, 63304, 66199, 70315, 75656, 79130, 80360, 94570, 108080, 110782, 112504, 126608, 132398, 140630, 151312, 158260, 160720, 189140, 221564, 225008, 264796, 276955, 281260, 316520, 330995, 378280, 387737, 443128, 529592, 553910, 562520, 633040, 661990, 756560, 775474, 886256, 1059184, 1107820, 1125040, 1323980, 1550948, 1938685, 2215640, 2647960, 2714159, 3101896, 3877370, 4431280, 5295920, 5428318, 6203792, 7754740, 10856636, 13570795, 15509480, 21713272, 27141590, 31018960, 43426544, 54283180, 108566360, 217132720]

約数ペア:

[(1, 217132720), (2, 108566360), (4, 54283180), (5, 43426544), (7, 31018960), (8, 27141590), (10, 21713272), (14, 15509480), (16, 13570795), (20, 10856636), (28, 7754740), (35, 6203792), (40, 5428318), (41, 5295920), (49, 4431280), (56, 3877370), (70, 3101896), (80, 2714159), (82, 2647960), (98, 2215640), (112, 1938685), (140, 1550948), (164, 1323980), (193, 1125040), (196, 1107820), (205, 1059184), (245, 886256), (280, 775474), (287, 756560), (328, 661990), (343, 633040), (386, 562520), (392, 553910), (410, 529592), (490, 443128), (560, 387737), (574, 378280), (656, 330995), (686, 316520), (772, 281260), (784, 276955), (820, 264796), (965, 225008), (980, 221564), (1148, 189140), (1351, 160720), (1372, 158260), (1435, 151312), (1544, 140630), (1640, 132398), (1715, 126608), (1930, 112504), (1960, 110782), (2009, 108080), (2296, 94570), (2702, 80360), (2744, 79130), (2870, 75656), (3088, 70315), (3280, 66199), (3430, 63304), (3860, 56252), (3920, 55391), (4018, 54040), (4592, 47285), (5404, 40180), (5488, 39565), (5740, 37828), (6755, 32144), (6860, 31652), (7720, 28126), (7913, 27440), (8036, 27020), (9457, 22960), (10045, 21616), (10808, 20090), (11480, 18914), (13510, 16072), (13720, 15826), (14063, 15440)]