80720640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:65

約数の個数: 648

約数和(自身を含む): 381680208

約数和(自身を除く): 300959568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 49, 52, 55, 56, 60, 63, 64, 65, 66, 70, 72, 77, 78, 80, 84, 88, 90, 91, 96, 98, 99, 104, 105, 110, 112, 117, 120, 126, 128, 130, 132, 140, 143, 144, 147, 154, 156, 160, 165, 168, 176, 180, 182, 192, 195, 196, 198, 208, 210, 220, 224, 231, 234, 240, 245, 252, 256, 260, 264, 273, 280, 286, 288, 294, 308, 312, 315, 320, 330, 336, 352, 360, 364, 384, 385, 390, 392, 396, 416, 420, 429, 440, 441, 448, 455, 462, 468, 480, 490, 495, 504, 520, 528, 539, 546, 560, 572, 576, 585, 588, 616, 624, 630, 637, 640, 660, 672, 693, 704, 715, 720, 728, 735, 768, 770, 780, 784, 792, 819, 832, 840, 858, 880, 882, 896, 910, 924, 936, 960, 980, 990, 1001, 1008, 1040, 1056, 1078, 1092, 1120, 1144, 1152, 1155, 1170, 1176, 1232, 1248, 1260, 1274, 1280, 1287, 1320, 1344, 1365, 1386, 1408, 1430, 1440, 1456, 1470, 1540, 1560, 1568, 1584, 1617, 1638, 1664, 1680, 1716, 1760, 1764, 1792, 1820, 1848, 1872, 1911, 1920, 1960, 1980, 2002, 2016, 2080, 2112, 2145, 2156, 2184, 2205, 2240, 2288, 2304, 2310, 2340, 2352, 2464, 2496, 2520, 2548, 2574, 2640, 2688, 2695, 2730, 2772, 2816, 2860, 2880, 2912, 2940, 3003, 3080, 3120, 3136, 3168, 3185, 3234, 3276, 3328, 3360, 3432, 3465, 3520, 3528, 3640, 3696, 3744, 3822, 3840, 3920, 3960, 4004, 4032, 4095, 4160, 4224, 4290, 4312, 4368, 4410, 4480, 4576, 4620, 4680, 4704, 4851, 4928, 4992, 5005, 5040, 5096, 5148, 5280, 5376, 5390, 5460, 5544, 5720, 5733, 5760, 5824, 5880, 6006, 6160, 6240, 6272, 6336, 6370, 6435, 6468, 6552, 6720, 6864, 6930, 7007, 7040, 7056, 7280, 7392, 7488, 7644, 7840, 7920, 8008, 8064, 8085, 8190, 8320, 8448, 8580, 8624, 8736, 8820, 8960, 9009, 9152, 9240, 9360, 9408, 9555, 9702, 9856, 9984, 10010, 10080, 10192, 10296, 10560, 10780, 10920, 11088, 11440, 11466, 11520, 11648, 11760, 12012, 12320, 12480, 12544, 12672, 12740, 12870, 12936, 13104, 13440, 13728, 13860, 14014, 14080, 14112, 14560, 14784, 14976, 15015, 15288, 15680, 15840, 16016, 16128, 16170, 16380, 16640, 17160, 17248, 17472, 17640, 18018, 18304, 18480, 18720, 18816, 19110, 19404, 19712, 20020, 20160, 20384, 20592, 21021, 21120, 21560, 21840, 22176, 22880, 22932, 23296, 23520, 24024, 24255, 24640, 24960, 25344, 25480, 25740, 25872, 26208, 26880, 27456, 27720, 28028, 28224, 28665, 29120, 29568, 29952, 30030, 30576, 31360, 31680, 32032, 32340, 32760, 34320, 34496, 34944, 35035, 35280, 36036, 36608, 36960, 37440, 37632, 38220, 38808, 40040, 40320, 40768, 41184, 42042, 42240, 43120, 43680, 44352, 45045, 45760, 45864, 47040, 48048, 48510, 49280, 49920, 50960, 51480, 51744, 52416, 54912, 55440, 56056, 56448, 57330, 58240, 59136, 60060, 61152, 62720, 63063, 63360, 64064, 64680, 65520, 68640, 68992, 69888, 70070, 70560, 72072, 73920, 74880, 76440, 77616, 80080, 80640, 81536, 82368, 84084, 86240, 87360, 88704, 90090, 91520, 91728, 94080, 96096, 97020, 98560, 101920, 102960, 103488, 104832, 105105, 109824, 110880, 112112, 112896, 114660, 116480, 120120, 122304, 126126, 126720, 128128, 129360, 131040, 137280, 137984, 140140, 141120, 144144, 147840, 149760, 152880, 155232, 160160, 163072, 164736, 168168, 172480, 174720, 177408, 180180, 183040, 183456, 188160, 192192, 194040, 203840, 205920, 206976, 209664, 210210, 221760, 224224, 229320, 240240, 244608, 252252, 256256, 258720, 262080, 274560, 280280, 282240, 288288, 295680, 305760, 310464, 315315, 320320, 329472, 336336, 344960, 349440, 360360, 366912, 384384, 388080, 407680, 411840, 413952, 420420, 443520, 448448, 458640, 480480, 489216, 504504, 517440, 524160, 549120, 560560, 564480, 576576, 611520, 620928, 630630, 640640, 672672, 689920, 720720, 733824, 768768, 776160, 815360, 823680, 840840, 887040, 896896, 917280, 960960, 1009008, 1034880, 1048320, 1121120, 1153152, 1223040, 1241856, 1261260, 1281280, 1345344, 1441440, 1467648, 1552320, 1647360, 1681680, 1793792, 1834560, 1921920, 2018016, 2069760, 2242240, 2306304, 2446080, 2522520, 2690688, 2882880, 3104640, 3363360, 3669120, 3843840, 4036032, 4484480, 5045040, 5381376, 5765760, 6209280, 6726720, 7338240, 8072064, 8968960, 10090080, 11531520, 13453440, 16144128, 20180160, 26906880, 40360320, 80720640]

約数ペア:

[(1, 80720640), (2, 40360320), (3, 26906880), (4, 20180160), (5, 16144128), (6, 13453440), (7, 11531520), (8, 10090080), (9, 8968960), (10, 8072064), (11, 7338240), (12, 6726720), (13, 6209280), (14, 5765760), (15, 5381376), (16, 5045040), (18, 4484480), (20, 4036032), (21, 3843840), (22, 3669120), (24, 3363360), (26, 3104640), (28, 2882880), (30, 2690688), (32, 2522520), (33, 2446080), (35, 2306304), (36, 2242240), (39, 2069760), (40, 2018016), (42, 1921920), (44, 1834560), (45, 1793792), (48, 1681680), (49, 1647360), (52, 1552320), (55, 1467648), (56, 1441440), (60, 1345344), (63, 1281280), (64, 1261260), (65, 1241856), (66, 1223040), (70, 1153152), (72, 1121120), (77, 1048320), (78, 1034880), (80, 1009008), (84, 960960), (88, 917280), (90, 896896), (91, 887040), (96, 840840), (98, 823680), (99, 815360), (104, 776160), (105, 768768), (110, 733824), (112, 720720), (117, 689920), (120, 672672), (126, 640640), (128, 630630), (130, 620928), (132, 611520), (140, 576576), (143, 564480), (144, 560560), (147, 549120), (154, 524160), (156, 517440), (160, 504504), (165, 489216), (168, 480480), (176, 458640), (180, 448448), (182, 443520), (192, 420420), (195, 413952), (196, 411840), (198, 407680), (208, 388080), (210, 384384), (220, 366912), (224, 360360), (231, 349440), (234, 344960), (240, 336336), (245, 329472), (252, 320320), (256, 315315), (260, 310464), (264, 305760), (273, 295680), (280, 288288), (286, 282240), (288, 280280), (294, 274560), (308, 262080), (312, 258720), (315, 256256), (320, 252252), (330, 244608), (336, 240240), (352, 229320), (360, 224224), (364, 221760), (384, 210210), (385, 209664), (390, 206976), (392, 205920), (396, 203840), (416, 194040), (420, 192192), (429, 188160), (440, 183456), (441, 183040), (448, 180180), (455, 177408), (462, 174720), (468, 172480), (480, 168168), (490, 164736), (495, 163072), (504, 160160), (520, 155232), (528, 152880), (539, 149760), (546, 147840), (560, 144144), (572, 141120), (576, 140140), (585, 137984), (588, 137280), (616, 131040), (624, 129360), (630, 128128), (637, 126720), (640, 126126), (660, 122304), (672, 120120), (693, 116480), (704, 114660), (715, 112896), (720, 112112), (728, 110880), (735, 109824), (768, 105105), (770, 104832), (780, 103488), (784, 102960), (792, 101920), (819, 98560), (832, 97020), (840, 96096), (858, 94080), (880, 91728), (882, 91520), (896, 90090), (910, 88704), (924, 87360), (936, 86240), (960, 84084), (980, 82368), (990, 81536), (1001, 80640), (1008, 80080), (1040, 77616), (1056, 76440), (1078, 74880), (1092, 73920), (1120, 72072), (1144, 70560), (1152, 70070), (1155, 69888), (1170, 68992), (1176, 68640), (1232, 65520), (1248, 64680), (1260, 64064), (1274, 63360), (1280, 63063), (1287, 62720), (1320, 61152), (1344, 60060), (1365, 59136), (1386, 58240), (1408, 57330), (1430, 56448), (1440, 56056), (1456, 55440), (1470, 54912), (1540, 52416), (1560, 51744), (1568, 51480), (1584, 50960), (1617, 49920), (1638, 49280), (1664, 48510), (1680, 48048), (1716, 47040), (1760, 45864), (1764, 45760), (1792, 45045), (1820, 44352), (1848, 43680), (1872, 43120), (1911, 42240), (1920, 42042), (1960, 41184), (1980, 40768), (2002, 40320), (2016, 40040), (2080, 38808), (2112, 38220), (2145, 37632), (2156, 37440), (2184, 36960), (2205, 36608), (2240, 36036), (2288, 35280), (2304, 35035), (2310, 34944), (2340, 34496), (2352, 34320), (2464, 32760), (2496, 32340), (2520, 32032), (2548, 31680), (2574, 31360), (2640, 30576), (2688, 30030), (2695, 29952), (2730, 29568), (2772, 29120), (2816, 28665), (2860, 28224), (2880, 28028), (2912, 27720), (2940, 27456), (3003, 26880), (3080, 26208), (3120, 25872), (3136, 25740), (3168, 25480), (3185, 25344), (3234, 24960), (3276, 24640), (3328, 24255), (3360, 24024), (3432, 23520), (3465, 23296), (3520, 22932), (3528, 22880), (3640, 22176), (3696, 21840), (3744, 21560), (3822, 21120), (3840, 21021), (3920, 20592), (3960, 20384), (4004, 20160), (4032, 20020), (4095, 19712), (4160, 19404), (4224, 19110), (4290, 18816), (4312, 18720), (4368, 18480), (4410, 18304), (4480, 18018), (4576, 17640), (4620, 17472), (4680, 17248), (4704, 17160), (4851, 16640), (4928, 16380), (4992, 16170), (5005, 16128), (5040, 16016), (5096, 15840), (5148, 15680), (5280, 15288), (5376, 15015), (5390, 14976), (5460, 14784), (5544, 14560), (5720, 14112), (5733, 14080), (5760, 14014), (5824, 13860), (5880, 13728), (6006, 13440), (6160, 13104), (6240, 12936), (6272, 12870), (6336, 12740), (6370, 12672), (6435, 12544), (6468, 12480), (6552, 12320), (6720, 12012), (6864, 11760), (6930, 11648), (7007, 11520), (7040, 11466), (7056, 11440), (7280, 11088), (7392, 10920), (7488, 10780), (7644, 10560), (7840, 10296), (7920, 10192), (8008, 10080), (8064, 10010), (8085, 9984), (8190, 9856), (8320, 9702), (8448, 9555), (8580, 9408), (8624, 9360), (8736, 9240), (8820, 9152), (8960, 9009)]