65681280

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 320

約数和(自身を含む): 269549280

約数和(自身を除く): 203868000

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, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 181, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 362, 378, 384, 405, 420, 432, 448, 480, 504, 540, 543, 560, 567, 576, 630, 640, 648, 672, 720, 724, 756, 810, 840, 864, 896, 905, 945, 960, 1008, 1080, 1086, 1120, 1134, 1152, 1260, 1267, 1296, 1344, 1440, 1448, 1512, 1620, 1629, 1680, 1728, 1810, 1890, 1920, 2016, 2160, 2172, 2240, 2268, 2520, 2534, 2592, 2688, 2715, 2835, 2880, 2896, 3024, 3240, 3258, 3360, 3456, 3620, 3780, 3801, 4032, 4320, 4344, 4480, 4536, 4887, 5040, 5068, 5184, 5430, 5670, 5760, 5792, 6048, 6335, 6480, 6516, 6720, 7240, 7560, 7602, 8064, 8145, 8640, 8688, 9072, 9774, 10080, 10136, 10368, 10860, 11340, 11403, 11584, 12096, 12670, 12960, 13032, 13440, 14480, 14661, 15120, 15204, 16290, 17280, 17376, 18144, 19005, 19548, 20160, 20272, 21720, 22680, 22806, 23168, 24192, 24435, 25340, 25920, 26064, 28960, 29322, 30240, 30408, 32580, 34209, 34752, 36288, 38010, 39096, 40320, 40544, 43440, 45360, 45612, 48870, 50680, 51840, 52128, 57015, 57920, 58644, 60480, 60816, 65160, 68418, 69504, 72576, 73305, 76020, 78192, 81088, 86880, 90720, 91224, 97740, 101360, 102627, 104256, 114030, 115840, 117288, 120960, 121632, 130320, 136836, 146610, 152040, 156384, 162176, 171045, 173760, 181440, 182448, 195480, 202720, 205254, 208512, 228060, 234576, 243264, 260640, 273672, 293220, 304080, 312768, 342090, 347520, 362880, 364896, 390960, 405440, 410508, 456120, 469152, 486528, 513135, 521280, 547344, 586440, 608160, 625536, 684180, 729792, 781920, 810880, 821016, 912240, 938304, 1026270, 1042560, 1094688, 1172880, 1216320, 1368360, 1459584, 1563840, 1642032, 1824480, 1876608, 2052540, 2189376, 2345760, 2432640, 2736720, 3127680, 3284064, 3648960, 4105080, 4378752, 4691520, 5473440, 6568128, 7297920, 8210160, 9383040, 10946880, 13136256, 16420320, 21893760, 32840640, 65681280]

約数ペア:

[(1, 65681280), (2, 32840640), (3, 21893760), (4, 16420320), (5, 13136256), (6, 10946880), (7, 9383040), (8, 8210160), (9, 7297920), (10, 6568128), (12, 5473440), (14, 4691520), (15, 4378752), (16, 4105080), (18, 3648960), (20, 3284064), (21, 3127680), (24, 2736720), (27, 2432640), (28, 2345760), (30, 2189376), (32, 2052540), (35, 1876608), (36, 1824480), (40, 1642032), (42, 1563840), (45, 1459584), (48, 1368360), (54, 1216320), (56, 1172880), (60, 1094688), (63, 1042560), (64, 1026270), (70, 938304), (72, 912240), (80, 821016), (81, 810880), (84, 781920), (90, 729792), (96, 684180), (105, 625536), (108, 608160), (112, 586440), (120, 547344), (126, 521280), (128, 513135), (135, 486528), (140, 469152), (144, 456120), (160, 410508), (162, 405440), (168, 390960), (180, 364896), (181, 362880), (189, 347520), (192, 342090), (210, 312768), (216, 304080), (224, 293220), (240, 273672), (252, 260640), (270, 243264), (280, 234576), (288, 228060), (315, 208512), (320, 205254), (324, 202720), (336, 195480), (360, 182448), (362, 181440), (378, 173760), (384, 171045), (405, 162176), (420, 156384), (432, 152040), (448, 146610), (480, 136836), (504, 130320), (540, 121632), (543, 120960), (560, 117288), (567, 115840), (576, 114030), (630, 104256), (640, 102627), (648, 101360), (672, 97740), (720, 91224), (724, 90720), (756, 86880), (810, 81088), (840, 78192), (864, 76020), (896, 73305), (905, 72576), (945, 69504), (960, 68418), (1008, 65160), (1080, 60816), (1086, 60480), (1120, 58644), (1134, 57920), (1152, 57015), (1260, 52128), (1267, 51840), (1296, 50680), (1344, 48870), (1440, 45612), (1448, 45360), (1512, 43440), (1620, 40544), (1629, 40320), (1680, 39096), (1728, 38010), (1810, 36288), (1890, 34752), (1920, 34209), (2016, 32580), (2160, 30408), (2172, 30240), (2240, 29322), (2268, 28960), (2520, 26064), (2534, 25920), (2592, 25340), (2688, 24435), (2715, 24192), (2835, 23168), (2880, 22806), (2896, 22680), (3024, 21720), (3240, 20272), (3258, 20160), (3360, 19548), (3456, 19005), (3620, 18144), (3780, 17376), (3801, 17280), (4032, 16290), (4320, 15204), (4344, 15120), (4480, 14661), (4536, 14480), (4887, 13440), (5040, 13032), (5068, 12960), (5184, 12670), (5430, 12096), (5670, 11584), (5760, 11403), (5792, 11340), (6048, 10860), (6335, 10368), (6480, 10136), (6516, 10080), (6720, 9774), (7240, 9072), (7560, 8688), (7602, 8640), (8064, 8145)]