181681920

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:788

約数の個数: 288

約数和(自身を含む): 737802240

約数和(自身を除く): 556120320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 751, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1502, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2253, 2304, 2520, 2688, 2880, 3004, 3024, 3360, 3456, 3755, 3780, 3840, 4032, 4320, 4480, 4506, 5040, 5257, 5376, 5760, 6008, 6048, 6720, 6759, 6912, 7510, 7560, 8064, 8640, 8960, 9012, 10080, 10514, 11265, 11520, 12016, 12096, 13440, 13518, 15020, 15120, 15771, 16128, 17280, 18024, 20160, 20277, 21028, 22530, 24032, 24192, 26285, 26880, 27036, 30040, 30240, 31542, 33795, 34560, 36048, 40320, 40554, 42056, 45060, 47313, 48064, 48384, 52570, 54072, 60080, 60480, 63084, 67590, 72096, 78855, 80640, 81108, 84112, 90120, 94626, 96128, 101385, 105140, 108144, 120160, 120960, 126168, 135180, 141939, 144192, 157710, 162216, 168224, 180240, 189252, 192256, 202770, 210280, 216288, 236565, 240320, 241920, 252336, 270360, 283878, 288384, 315420, 324432, 336448, 360480, 378504, 405540, 420560, 432576, 473130, 480640, 504672, 540720, 567756, 576768, 630840, 648864, 672896, 709695, 720960, 757008, 811080, 841120, 865152, 946260, 961280, 1009344, 1081440, 1135512, 1261680, 1297728, 1345792, 1419390, 1441920, 1514016, 1622160, 1682240, 1730304, 1892520, 2018688, 2162880, 2271024, 2523360, 2595456, 2838780, 2883840, 3028032, 3244320, 3364480, 3785040, 4037376, 4325760, 4542048, 5046720, 5190912, 5677560, 6056064, 6488640, 6728960, 7570080, 8651520, 9084096, 10093440, 11355120, 12112128, 12977280, 15140160, 18168192, 20186880, 22710240, 25954560, 30280320, 36336384, 45420480, 60560640, 90840960, 181681920]

約数ペア:

[(1, 181681920), (2, 90840960), (3, 60560640), (4, 45420480), (5, 36336384), (6, 30280320), (7, 25954560), (8, 22710240), (9, 20186880), (10, 18168192), (12, 15140160), (14, 12977280), (15, 12112128), (16, 11355120), (18, 10093440), (20, 9084096), (21, 8651520), (24, 7570080), (27, 6728960), (28, 6488640), (30, 6056064), (32, 5677560), (35, 5190912), (36, 5046720), (40, 4542048), (42, 4325760), (45, 4037376), (48, 3785040), (54, 3364480), (56, 3244320), (60, 3028032), (63, 2883840), (64, 2838780), (70, 2595456), (72, 2523360), (80, 2271024), (84, 2162880), (90, 2018688), (96, 1892520), (105, 1730304), (108, 1682240), (112, 1622160), (120, 1514016), (126, 1441920), (128, 1419390), (135, 1345792), (140, 1297728), (144, 1261680), (160, 1135512), (168, 1081440), (180, 1009344), (189, 961280), (192, 946260), (210, 865152), (216, 841120), (224, 811080), (240, 757008), (252, 720960), (256, 709695), (270, 672896), (280, 648864), (288, 630840), (315, 576768), (320, 567756), (336, 540720), (360, 504672), (378, 480640), (384, 473130), (420, 432576), (432, 420560), (448, 405540), (480, 378504), (504, 360480), (540, 336448), (560, 324432), (576, 315420), (630, 288384), (640, 283878), (672, 270360), (720, 252336), (751, 241920), (756, 240320), (768, 236565), (840, 216288), (864, 210280), (896, 202770), (945, 192256), (960, 189252), (1008, 180240), (1080, 168224), (1120, 162216), (1152, 157710), (1260, 144192), (1280, 141939), (1344, 135180), (1440, 126168), (1502, 120960), (1512, 120160), (1680, 108144), (1728, 105140), (1792, 101385), (1890, 96128), (1920, 94626), (2016, 90120), (2160, 84112), (2240, 81108), (2253, 80640), (2304, 78855), (2520, 72096), (2688, 67590), (2880, 63084), (3004, 60480), (3024, 60080), (3360, 54072), (3456, 52570), (3755, 48384), (3780, 48064), (3840, 47313), (4032, 45060), (4320, 42056), (4480, 40554), (4506, 40320), (5040, 36048), (5257, 34560), (5376, 33795), (5760, 31542), (6008, 30240), (6048, 30040), (6720, 27036), (6759, 26880), (6912, 26285), (7510, 24192), (7560, 24032), (8064, 22530), (8640, 21028), (8960, 20277), (9012, 20160), (10080, 18024), (10514, 17280), (11265, 16128), (11520, 15771), (12016, 15120), (12096, 15020), (13440, 13518)]