21015321600

素因数分解:

$2^{10}\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 1056

約数和(自身を含む): 89152516096

約数和(自身を除く): 68137194496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 31, 32, 35, 39, 40, 42, 48, 50, 52, 56, 60, 62, 64, 65, 70, 75, 78, 80, 84, 91, 93, 96, 97, 100, 104, 105, 112, 120, 124, 128, 130, 140, 150, 155, 156, 160, 168, 175, 182, 186, 192, 194, 195, 200, 208, 210, 217, 224, 240, 248, 256, 260, 273, 280, 291, 300, 310, 312, 320, 325, 336, 350, 364, 372, 384, 388, 390, 400, 403, 416, 420, 434, 448, 455, 465, 480, 485, 496, 512, 520, 525, 546, 560, 582, 600, 620, 624, 640, 650, 651, 672, 679, 700, 728, 744, 768, 775, 776, 780, 800, 806, 832, 840, 868, 896, 910, 930, 960, 970, 975, 992, 1024, 1040, 1050, 1085, 1092, 1120, 1164, 1200, 1209, 1240, 1248, 1261, 1280, 1300, 1302, 1344, 1358, 1365, 1400, 1455, 1456, 1488, 1536, 1550, 1552, 1560, 1600, 1612, 1664, 1680, 1736, 1792, 1820, 1860, 1920, 1940, 1950, 1984, 2015, 2037, 2080, 2100, 2170, 2184, 2240, 2275, 2325, 2328, 2400, 2418, 2425, 2480, 2496, 2522, 2560, 2600, 2604, 2688, 2716, 2730, 2800, 2821, 2910, 2912, 2976, 3007, 3072, 3100, 3104, 3120, 3200, 3224, 3255, 3328, 3360, 3395, 3472, 3584, 3640, 3720, 3783, 3840, 3880, 3900, 3968, 4030, 4074, 4160, 4200, 4340, 4368, 4480, 4550, 4650, 4656, 4800, 4836, 4850, 4960, 4992, 5044, 5120, 5200, 5208, 5376, 5425, 5432, 5460, 5600, 5642, 5820, 5824, 5952, 6014, 6045, 6200, 6208, 6240, 6305, 6400, 6448, 6510, 6656, 6720, 6790, 6825, 6944, 7168, 7275, 7280, 7440, 7566, 7680, 7760, 7800, 7936, 8060, 8148, 8320, 8400, 8463, 8680, 8736, 8827, 8960, 9021, 9100, 9300, 9312, 9600, 9672, 9700, 9920, 9984, 10075, 10088, 10185, 10400, 10416, 10752, 10850, 10864, 10920, 11200, 11284, 11640, 11648, 11904, 12028, 12090, 12400, 12416, 12480, 12610, 12800, 12896, 13020, 13312, 13440, 13580, 13650, 13888, 14105, 14550, 14560, 14880, 15035, 15132, 15360, 15520, 15600, 15872, 16120, 16275, 16296, 16640, 16800, 16926, 16975, 17360, 17472, 17654, 17920, 18042, 18200, 18600, 18624, 18915, 19200, 19344, 19400, 19840, 19968, 20150, 20176, 20370, 20800, 20832, 21049, 21504, 21700, 21728, 21840, 22400, 22568, 23280, 23296, 23808, 24056, 24180, 24800, 24832, 24960, 25220, 25600, 25792, 26040, 26481, 26880, 27160, 27300, 27776, 28210, 29100, 29120, 29760, 30070, 30225, 30264, 31040, 31200, 31525, 31744, 32240, 32550, 32592, 33280, 33600, 33852, 33950, 34720, 34944, 35308, 35840, 36084, 36400, 37200, 37248, 37830, 38400, 38688, 38800, 39091, 39680, 39936, 40300, 40352, 40740, 41600, 41664, 42098, 42315, 43400, 43456, 43680, 44135, 44800, 45105, 45136, 46560, 46592, 47616, 48112, 48360, 49600, 49664, 49920, 50440, 50925, 51584, 52080, 52962, 53760, 54320, 54600, 55552, 56420, 58200, 58240, 59520, 60140, 60450, 60528, 62080, 62400, 63050, 63147, 64480, 65100, 65184, 66560, 67200, 67704, 67900, 69440, 69888, 70525, 70616, 72168, 72800, 74400, 74496, 75175, 75660, 76800, 77376, 77600, 78182, 79360, 80600, 80704, 81480, 83200, 83328, 84196, 84630, 86800, 86912, 87360, 88270, 89600, 90210, 90272, 93120, 93184, 94575, 95232, 96224, 96720, 99200, 99328, 99840, 100880, 101850, 103168, 104160, 105245, 105924, 107520, 108640, 109200, 111104, 112840, 116400, 116480, 117273, 119040, 120280, 120900, 121056, 124160, 124800, 126100, 126294, 128960, 130200, 130368, 132405, 134400, 135408, 135800, 138880, 139776, 141050, 141232, 144336, 145600, 148800, 148992, 150350, 151320, 154752, 155200, 156364, 158720, 161200, 161408, 162960, 166400, 166656, 168392, 169260, 173600, 173824, 174720, 176540, 179200, 180420, 180544, 186240, 189150, 192448, 193440, 195455, 198400, 199680, 201760, 203700, 206336, 208320, 210490, 211575, 211848, 217280, 218400, 220675, 222208, 225525, 225680, 232800, 232960, 234546, 238080, 240560, 241800, 242112, 248320, 249600, 252200, 252588, 257920, 260400, 260736, 264810, 268800, 270816, 271600, 273637, 277760, 279552, 282100, 282464, 288672, 291200, 297600, 297984, 300700, 302640, 309504, 310400, 312728, 315735, 322400, 322816, 325920, 332800, 333312, 336784, 338520, 347200, 347648, 349440, 353080, 360840, 361088, 372480, 378300, 384896, 386880, 390910, 396800, 403520, 407400, 412672, 416640, 420980, 423150, 423696, 434560, 436800, 441350, 451050, 451360, 465600, 465920, 469092, 476160, 481120, 483600, 484224, 496640, 499200, 504400, 505176, 515840, 520800, 521472, 526225, 529620, 537600, 541632, 543200, 547274, 555520, 564200, 564928, 577344, 582400, 586365, 595200, 601400, 605280, 619008, 620800, 625456, 631470, 644800, 645632, 651840, 662025, 666624, 673568, 677040, 694400, 695296, 698880, 706160, 721680, 722176, 744960, 756600, 769792, 773760, 781820, 793600, 807040, 814800, 820911, 833280, 841960, 846300, 847392, 869120, 873600, 882700, 902100, 902720, 931200, 938184, 962240, 967200, 968448, 977275, 998400, 1008800, 1010352, 1031680, 1041600, 1042944, 1052450, 1059240, 1083264, 1086400, 1094548, 1111040, 1128400, 1129856, 1154688, 1164800, 1172730, 1190400, 1202800, 1210560, 1238016, 1241600, 1250912, 1262940, 1289600, 1291264, 1303680, 1324050, 1347136, 1354080, 1368185, 1388800, 1397760, 1412320, 1443360, 1444352, 1489920, 1513200, 1539584, 1547520, 1563640, 1578675, 1614080, 1629600, 1641822, 1666560, 1683920, 1692600, 1694784, 1738240, 1747200, 1765400, 1804200, 1805440, 1862400, 1876368, 1924480, 1934400, 1936896, 1954550, 2017600, 2020704, 2063360, 2083200, 2085888, 2104900, 2118480, 2166528, 2172800, 2189096, 2256800, 2259712, 2309376, 2329600, 2345460, 2380800, 2405600, 2421120, 2483200, 2501824, 2525880, 2579200, 2607360, 2648100, 2694272, 2708160, 2736370, 2777600, 2824640, 2886720, 2888704, 2931825, 3026400, 3079168, 3095040, 3127280, 3157350, 3228160, 3259200, 3283644, 3333120, 3367840, 3385200, 3389568, 3476480, 3494400, 3530800, 3608400, 3610880, 3724800, 3752736, 3848960, 3868800, 3873792, 3909100, 4035200, 4041408, 4104555, 4166400, 4209800, 4236960, 4333056, 4345600, 4378192, 4513600, 4519424, 4618752, 4690920, 4811200, 4842240, 5003648, 5051760, 5158400, 5214720, 5296200, 5388544, 5416320, 5472740, 5555200, 5649280, 5773440, 5863650, 6052800, 6190080, 6254560, 6314700, 6456320, 6518400, 6567288, 6735680, 6770400, 6779136, 6840925, 6988800, 7061600, 7216800, 7221760, 7449600, 7505472, 7697920, 7737600, 7818200, 8070400, 8082816, 8209110, 8332800, 8419600, 8473920, 8666112, 8691200, 8756384, 9027200, 9038848, 9237504, 9381840, 9622400, 9684480, 10007296, 10103520, 10316800, 10429440, 10592400, 10777088, 10832640, 10945480, 11298560, 11546880, 11727300, 12105600, 12509120, 12629400, 13036800, 13134576, 13471360, 13540800, 13558272, 13681850, 14123200, 14433600, 14443520, 15010944, 15395840, 15475200, 15636400, 16140800, 16165632, 16418220, 16665600, 16839200, 16947840, 17382400, 17512768, 18054400, 18763680, 19244800, 19368960, 20014592, 20207040, 20522775, 21184800, 21554176, 21665280, 21890960, 22597120, 23093760, 23454600, 24211200, 25018240, 25258800, 26073600, 26269152, 26942720, 27081600, 27116544, 27363700, 28246400, 28867200, 30021888, 30950400, 31272800, 32281600, 32331264, 32836440, 33678400, 33895680, 35025536, 36108800, 37527360, 38489600, 40029184, 40414080, 41045550, 42369600, 43330560, 43781920, 45194240, 46187520, 46909200, 48422400, 50036480, 50517600, 52147200, 52538304, 53885440, 54163200, 54727400, 56492800, 57734400, 60043776, 62545600, 64662528, 65672880, 67356800, 67791360, 70051072, 72217600, 75054720, 76979200, 80828160, 82091100, 84739200, 87563840, 93818400, 96844800, 100072960, 101035200, 105076608, 107770880, 108326400, 109454800, 112985600, 115468800, 120087552, 125091200, 131345760, 134713600, 135582720, 140102144, 150109440, 161656320, 164182200, 169478400, 175127680, 187636800, 200145920, 202070400, 210153216, 216652800, 218909600, 225971200, 230937600, 250182400, 262691520, 269427200, 280204288, 300218880, 323312640, 328364400, 338956800, 350255360, 375273600, 404140800, 420306432, 437819200, 500364800, 525383040, 538854400, 600437760, 656728800, 677913600, 700510720, 750547200, 808281600, 840612864, 875638400, 1000729600, 1050766080, 1313457600, 1401021440, 1501094400, 1616563200, 1751276800, 2101532160, 2626915200, 3002188800, 3502553600, 4203064320, 5253830400, 7005107200, 10507660800, 21015321600]

約数ペア:

[(1, 21015321600), (2, 10507660800), (3, 7005107200), (4, 5253830400), (5, 4203064320), (6, 3502553600), (7, 3002188800), (8, 2626915200), (10, 2101532160), (12, 1751276800), (13, 1616563200), (14, 1501094400), (15, 1401021440), (16, 1313457600), (20, 1050766080), (21, 1000729600), (24, 875638400), (25, 840612864), (26, 808281600), (28, 750547200), (30, 700510720), (31, 677913600), (32, 656728800), (35, 600437760), (39, 538854400), (40, 525383040), (42, 500364800), (48, 437819200), (50, 420306432), (52, 404140800), (56, 375273600), (60, 350255360), (62, 338956800), (64, 328364400), (65, 323312640), (70, 300218880), (75, 280204288), (78, 269427200), (80, 262691520), (84, 250182400), (91, 230937600), (93, 225971200), (96, 218909600), (97, 216652800), (100, 210153216), (104, 202070400), (105, 200145920), (112, 187636800), (120, 175127680), (124, 169478400), (128, 164182200), (130, 161656320), (140, 150109440), (150, 140102144), (155, 135582720), (156, 134713600), (160, 131345760), (168, 125091200), (175, 120087552), (182, 115468800), (186, 112985600), (192, 109454800), (194, 108326400), (195, 107770880), (200, 105076608), (208, 101035200), (210, 100072960), (217, 96844800), (224, 93818400), (240, 87563840), (248, 84739200), (256, 82091100), (260, 80828160), (273, 76979200), (280, 75054720), (291, 72217600), (300, 70051072), (310, 67791360), (312, 67356800), (320, 65672880), (325, 64662528), (336, 62545600), (350, 60043776), (364, 57734400), (372, 56492800), (384, 54727400), (388, 54163200), (390, 53885440), (400, 52538304), (403, 52147200), (416, 50517600), (420, 50036480), (434, 48422400), (448, 46909200), (455, 46187520), (465, 45194240), (480, 43781920), (485, 43330560), (496, 42369600), (512, 41045550), (520, 40414080), (525, 40029184), (546, 38489600), (560, 37527360), (582, 36108800), (600, 35025536), (620, 33895680), (624, 33678400), (640, 32836440), (650, 32331264), (651, 32281600), (672, 31272800), (679, 30950400), (700, 30021888), (728, 28867200), (744, 28246400), (768, 27363700), (775, 27116544), (776, 27081600), (780, 26942720), (800, 26269152), (806, 26073600), (832, 25258800), (840, 25018240), (868, 24211200), (896, 23454600), (910, 23093760), (930, 22597120), (960, 21890960), (970, 21665280), (975, 21554176), (992, 21184800), (1024, 20522775), (1040, 20207040), (1050, 20014592), (1085, 19368960), (1092, 19244800), (1120, 18763680), (1164, 18054400), (1200, 17512768), (1209, 17382400), (1240, 16947840), (1248, 16839200), (1261, 16665600), (1280, 16418220), (1300, 16165632), (1302, 16140800), (1344, 15636400), (1358, 15475200), (1365, 15395840), (1400, 15010944), (1455, 14443520), (1456, 14433600), (1488, 14123200), (1536, 13681850), (1550, 13558272), (1552, 13540800), (1560, 13471360), (1600, 13134576), (1612, 13036800), (1664, 12629400), (1680, 12509120), (1736, 12105600), (1792, 11727300), (1820, 11546880), (1860, 11298560), (1920, 10945480), (1940, 10832640), (1950, 10777088), (1984, 10592400), (2015, 10429440), (2037, 10316800), (2080, 10103520), (2100, 10007296), (2170, 9684480), (2184, 9622400), (2240, 9381840), (2275, 9237504), (2325, 9038848), (2328, 9027200), (2400, 8756384), (2418, 8691200), (2425, 8666112), (2480, 8473920), (2496, 8419600), (2522, 8332800), (2560, 8209110), (2600, 8082816), (2604, 8070400), (2688, 7818200), (2716, 7737600), (2730, 7697920), (2800, 7505472), (2821, 7449600), (2910, 7221760), (2912, 7216800), (2976, 7061600), (3007, 6988800), (3072, 6840925), (3100, 6779136), (3104, 6770400), (3120, 6735680), (3200, 6567288), (3224, 6518400), (3255, 6456320), (3328, 6314700), (3360, 6254560), (3395, 6190080), (3472, 6052800), (3584, 5863650), (3640, 5773440), (3720, 5649280), (3783, 5555200), (3840, 5472740), (3880, 5416320), (3900, 5388544), (3968, 5296200), (4030, 5214720), (4074, 5158400), (4160, 5051760), (4200, 5003648), (4340, 4842240), (4368, 4811200), (4480, 4690920), (4550, 4618752), (4650, 4519424), (4656, 4513600), (4800, 4378192), (4836, 4345600), (4850, 4333056), (4960, 4236960), (4992, 4209800), (5044, 4166400), (5120, 4104555), (5200, 4041408), (5208, 4035200), (5376, 3909100), (5425, 3873792), (5432, 3868800), (5460, 3848960), (5600, 3752736), (5642, 3724800), (5820, 3610880), (5824, 3608400), (5952, 3530800), (6014, 3494400), (6045, 3476480), (6200, 3389568), (6208, 3385200), (6240, 3367840), (6305, 3333120), (6400, 3283644), (6448, 3259200), (6510, 3228160), (6656, 3157350), (6720, 3127280), (6790, 3095040), (6825, 3079168), (6944, 3026400), (7168, 2931825), (7275, 2888704), (7280, 2886720), (7440, 2824640), (7566, 2777600), (7680, 2736370), (7760, 2708160), (7800, 2694272), (7936, 2648100), (8060, 2607360), (8148, 2579200), (8320, 2525880), (8400, 2501824), (8463, 2483200), (8680, 2421120), (8736, 2405600), (8827, 2380800), (8960, 2345460), (9021, 2329600), (9100, 2309376), (9300, 2259712), (9312, 2256800), (9600, 2189096), (9672, 2172800), (9700, 2166528), (9920, 2118480), (9984, 2104900), (10075, 2085888), (10088, 2083200), (10185, 2063360), (10400, 2020704), (10416, 2017600), (10752, 1954550), (10850, 1936896), (10864, 1934400), (10920, 1924480), (11200, 1876368), (11284, 1862400), (11640, 1805440), (11648, 1804200), (11904, 1765400), (12028, 1747200), (12090, 1738240), (12400, 1694784), (12416, 1692600), (12480, 1683920), (12610, 1666560), (12800, 1641822), (12896, 1629600), (13020, 1614080), (13312, 1578675), (13440, 1563640), (13580, 1547520), (13650, 1539584), (13888, 1513200), (14105, 1489920), (14550, 1444352), (14560, 1443360), (14880, 1412320), (15035, 1397760), (15132, 1388800), (15360, 1368185), (15520, 1354080), (15600, 1347136), (15872, 1324050), (16120, 1303680), (16275, 1291264), (16296, 1289600), (16640, 1262940), (16800, 1250912), (16926, 1241600), (16975, 1238016), (17360, 1210560), (17472, 1202800), (17654, 1190400), (17920, 1172730), (18042, 1164800), (18200, 1154688), (18600, 1129856), (18624, 1128400), (18915, 1111040), (19200, 1094548), (19344, 1086400), (19400, 1083264), (19840, 1059240), (19968, 1052450), (20150, 1042944), (20176, 1041600), (20370, 1031680), (20800, 1010352), (20832, 1008800), (21049, 998400), (21504, 977275), (21700, 968448), (21728, 967200), (21840, 962240), (22400, 938184), (22568, 931200), (23280, 902720), (23296, 902100), (23808, 882700), (24056, 873600), (24180, 869120), (24800, 847392), (24832, 846300), (24960, 841960), (25220, 833280), (25600, 820911), (25792, 814800), (26040, 807040), (26481, 793600), (26880, 781820), (27160, 773760), (27300, 769792), (27776, 756600), (28210, 744960), (29100, 722176), (29120, 721680), (29760, 706160), (30070, 698880), (30225, 695296), (30264, 694400), (31040, 677040), (31200, 673568), (31525, 666624), (31744, 662025), (32240, 651840), (32550, 645632), (32592, 644800), (33280, 631470), (33600, 625456), (33852, 620800), (33950, 619008), (34720, 605280), (34944, 601400), (35308, 595200), (35840, 586365), (36084, 582400), (36400, 577344), (37200, 564928), (37248, 564200), (37830, 555520), (38400, 547274), (38688, 543200), (38800, 541632), (39091, 537600), (39680, 529620), (39936, 526225), (40300, 521472), (40352, 520800), (40740, 515840), (41600, 505176), (41664, 504400), (42098, 499200), (42315, 496640), (43400, 484224), (43456, 483600), (43680, 481120), (44135, 476160), (44800, 469092), (45105, 465920), (45136, 465600), (46560, 451360), (46592, 451050), (47616, 441350), (48112, 436800), (48360, 434560), (49600, 423696), (49664, 423150), (49920, 420980), (50440, 416640), (50925, 412672), (51584, 407400), (52080, 403520), (52962, 396800), (53760, 390910), (54320, 386880), (54600, 384896), (55552, 378300), (56420, 372480), (58200, 361088), (58240, 360840), (59520, 353080), (60140, 349440), (60450, 347648), (60528, 347200), (62080, 338520), (62400, 336784), (63050, 333312), (63147, 332800), (64480, 325920), (65100, 322816), (65184, 322400), (66560, 315735), (67200, 312728), (67704, 310400), (67900, 309504), (69440, 302640), (69888, 300700), (70525, 297984), (70616, 297600), (72168, 291200), (72800, 288672), (74400, 282464), (74496, 282100), (75175, 279552), (75660, 277760), (76800, 273637), (77376, 271600), (77600, 270816), (78182, 268800), (79360, 264810), (80600, 260736), (80704, 260400), (81480, 257920), (83200, 252588), (83328, 252200), (84196, 249600), (84630, 248320), (86800, 242112), (86912, 241800), (87360, 240560), (88270, 238080), (89600, 234546), (90210, 232960), (90272, 232800), (93120, 225680), (93184, 225525), (94575, 222208), (95232, 220675), (96224, 218400), (96720, 217280), (99200, 211848), (99328, 211575), (99840, 210490), (100880, 208320), (101850, 206336), (103168, 203700), (104160, 201760), (105245, 199680), (105924, 198400), (107520, 195455), (108640, 193440), (109200, 192448), (111104, 189150), (112840, 186240), (116400, 180544), (116480, 180420), (117273, 179200), (119040, 176540), (120280, 174720), (120900, 173824), (121056, 173600), (124160, 169260), (124800, 168392), (126100, 166656), (126294, 166400), (128960, 162960), (130200, 161408), (130368, 161200), (132405, 158720), (134400, 156364), (135408, 155200), (135800, 154752), (138880, 151320), (139776, 150350), (141050, 148992), (141232, 148800), (144336, 145600)]