19728921600

素因数分解:

$2^{10}\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 1056

約数和(自身を含む): 81143735040

約数和(自身を除く): 61414813440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 25, 27, 30, 32, 34, 36, 40, 45, 46, 48, 50, 51, 54, 60, 64, 68, 69, 72, 73, 75, 80, 85, 90, 92, 96, 100, 102, 108, 115, 120, 128, 135, 136, 138, 144, 146, 150, 153, 160, 170, 180, 184, 192, 200, 204, 207, 216, 219, 225, 230, 240, 255, 256, 270, 272, 276, 288, 292, 300, 306, 320, 340, 345, 360, 365, 368, 384, 391, 400, 408, 414, 425, 432, 438, 450, 459, 460, 480, 510, 512, 540, 544, 552, 575, 576, 584, 600, 612, 621, 640, 657, 675, 680, 690, 720, 730, 736, 765, 768, 782, 800, 816, 828, 850, 864, 876, 900, 918, 920, 960, 1020, 1024, 1035, 1080, 1088, 1095, 1104, 1150, 1152, 1168, 1173, 1200, 1224, 1241, 1242, 1275, 1280, 1314, 1350, 1360, 1380, 1440, 1460, 1472, 1530, 1536, 1564, 1600, 1632, 1656, 1679, 1700, 1725, 1728, 1752, 1800, 1825, 1836, 1840, 1920, 1955, 1971, 2040, 2070, 2160, 2176, 2190, 2208, 2295, 2300, 2304, 2336, 2346, 2400, 2448, 2482, 2484, 2550, 2560, 2628, 2700, 2720, 2760, 2880, 2920, 2944, 3060, 3072, 3105, 3128, 3200, 3264, 3285, 3312, 3358, 3400, 3450, 3456, 3504, 3519, 3600, 3650, 3672, 3680, 3723, 3825, 3840, 3910, 3942, 4080, 4140, 4320, 4352, 4380, 4416, 4590, 4600, 4608, 4672, 4692, 4800, 4896, 4964, 4968, 5037, 5100, 5120, 5175, 5256, 5400, 5440, 5475, 5520, 5760, 5840, 5865, 5888, 6120, 6205, 6210, 6256, 6400, 6528, 6570, 6624, 6716, 6800, 6900, 6912, 7008, 7038, 7200, 7300, 7344, 7360, 7446, 7650, 7680, 7820, 7884, 8160, 8280, 8395, 8640, 8704, 8760, 8832, 9180, 9200, 9216, 9344, 9384, 9600, 9775, 9792, 9855, 9928, 9936, 10074, 10200, 10350, 10512, 10557, 10800, 10880, 10950, 11040, 11169, 11475, 11520, 11680, 11730, 11776, 12240, 12410, 12420, 12512, 12800, 13056, 13140, 13248, 13432, 13600, 13800, 13824, 14016, 14076, 14400, 14600, 14688, 14720, 14892, 15111, 15300, 15360, 15525, 15640, 15768, 16320, 16425, 16560, 16790, 17280, 17408, 17520, 17595, 17664, 18360, 18400, 18615, 18688, 18768, 19200, 19550, 19584, 19710, 19856, 19872, 20148, 20400, 20700, 21024, 21114, 21600, 21760, 21900, 22080, 22338, 22950, 23040, 23360, 23460, 23552, 24480, 24820, 24840, 25024, 25185, 25600, 26112, 26280, 26496, 26864, 27200, 27600, 27648, 28032, 28152, 28543, 28800, 29200, 29325, 29376, 29440, 29784, 30222, 30600, 31025, 31050, 31280, 31536, 32640, 32850, 33120, 33507, 33580, 34560, 35040, 35190, 35328, 36720, 36800, 37230, 37376, 37536, 38400, 39100, 39168, 39420, 39712, 39744, 40296, 40800, 41400, 41975, 42048, 42228, 43200, 43520, 43800, 44160, 44676, 45333, 45900, 46080, 46720, 46920, 48960, 49275, 49640, 49680, 50048, 50370, 52224, 52560, 52785, 52992, 53728, 54400, 55200, 55845, 56064, 56304, 57086, 57600, 58400, 58650, 58752, 58880, 59568, 60444, 61200, 62050, 62100, 62560, 63072, 65280, 65700, 66240, 67014, 67160, 69120, 70080, 70380, 70656, 73440, 73600, 74460, 74752, 75072, 75555, 76800, 78200, 78336, 78840, 79424, 79488, 80592, 81600, 82800, 83950, 84096, 84456, 85629, 86400, 87040, 87600, 87975, 88320, 89352, 90666, 91800, 93075, 93440, 93840, 97920, 98550, 99280, 99360, 100096, 100740, 105120, 105570, 105984, 107456, 108800, 110400, 111690, 112128, 112608, 114172, 115200, 116800, 117300, 117504, 117760, 119136, 120888, 122400, 124100, 124200, 125120, 125925, 126144, 130560, 131400, 132480, 134028, 134320, 138240, 140160, 140760, 142715, 146880, 147200, 148920, 150144, 151110, 156400, 156672, 157680, 158848, 158976, 161184, 163200, 165600, 167535, 167900, 168192, 168912, 171258, 172800, 175200, 175950, 176640, 178704, 181332, 183600, 186150, 186880, 187680, 195840, 197100, 198560, 198720, 200192, 201480, 210240, 211140, 211968, 214912, 217600, 220800, 223380, 224256, 225216, 226665, 228344, 230400, 233600, 234600, 235008, 238272, 241776, 244800, 248200, 248400, 250240, 251850, 252288, 256887, 261120, 262800, 263925, 264960, 268056, 268640, 279225, 280320, 281520, 285430, 293760, 294400, 297840, 300288, 302220, 312800, 315360, 317696, 317952, 322368, 326400, 331200, 335070, 335800, 336384, 337824, 342516, 345600, 350400, 351900, 353280, 357408, 362664, 367200, 372300, 373760, 375360, 377775, 391680, 394200, 397120, 397440, 400384, 402960, 420480, 422280, 428145, 429824, 435200, 441600, 446760, 450432, 453330, 456688, 467200, 469200, 470016, 476544, 483552, 489600, 496400, 496800, 500480, 503700, 504576, 513774, 525600, 527850, 529920, 536112, 537280, 558450, 560640, 563040, 570860, 587520, 588800, 595680, 600576, 604440, 625600, 630720, 635392, 635904, 644736, 652800, 662400, 670140, 671600, 672768, 675648, 685032, 691200, 700800, 703800, 713575, 714816, 725328, 734400, 744600, 750720, 755550, 770661, 783360, 788400, 794240, 794880, 805920, 837675, 840960, 844560, 856290, 859648, 883200, 893520, 900864, 906660, 913376, 934400, 938400, 953088, 967104, 979200, 992800, 993600, 1000960, 1007400, 1009152, 1027548, 1051200, 1055700, 1059840, 1072224, 1074560, 1116900, 1121280, 1126080, 1133325, 1141720, 1175040, 1191360, 1201152, 1208880, 1251200, 1261440, 1270784, 1284435, 1289472, 1305600, 1324800, 1340280, 1343200, 1351296, 1370064, 1401600, 1407600, 1427150, 1429632, 1450656, 1468800, 1489200, 1501440, 1511100, 1541322, 1576800, 1588480, 1589760, 1611840, 1675350, 1681920, 1689120, 1712580, 1719296, 1766400, 1787040, 1801728, 1813320, 1826752, 1868800, 1876800, 1906176, 1934208, 1958400, 1985600, 1987200, 2001920, 2014800, 2018304, 2055096, 2102400, 2111400, 2140725, 2144448, 2149120, 2233800, 2252160, 2266650, 2283440, 2350080, 2382720, 2417760, 2502400, 2522880, 2568870, 2578944, 2649600, 2680560, 2686400, 2702592, 2740128, 2803200, 2815200, 2854300, 2859264, 2901312, 2937600, 2978400, 3002880, 3022200, 3082644, 3153600, 3176960, 3179520, 3223680, 3350700, 3363840, 3378240, 3425160, 3574080, 3603456, 3626640, 3653504, 3753600, 3812352, 3853305, 3868416, 3916800, 3971200, 3974400, 4029600, 4110192, 4204800, 4222800, 4281450, 4288896, 4298240, 4467600, 4504320, 4533300, 4566880, 4765440, 4835520, 5004800, 5045760, 5137740, 5157888, 5299200, 5361120, 5372800, 5405184, 5480256, 5606400, 5630400, 5708600, 5718528, 5802624, 5875200, 5956800, 6005760, 6044400, 6165288, 6307200, 6353920, 6422175, 6447360, 6701400, 6756480, 6850320, 7148160, 7253280, 7307008, 7507200, 7706610, 7736832, 7942400, 7948800, 8059200, 8220384, 8409600, 8445600, 8562900, 8577792, 8596480, 8935200, 9008640, 9066600, 9133760, 9530880, 9671040, 10009600, 10091520, 10275480, 10722240, 10745600, 10810368, 10960512, 11260800, 11417200, 11437056, 11605248, 11750400, 11913600, 12088800, 12330576, 12614400, 12844350, 12894720, 13402800, 13512960, 13700640, 14296320, 14506560, 14614016, 15014400, 15413220, 15473664, 15884800, 15897600, 16118400, 16440768, 16819200, 16891200, 17125800, 17155584, 17870400, 18017280, 18133200, 18267520, 19061760, 19266525, 19342080, 20550960, 21444480, 21491200, 21921024, 22521600, 22834400, 23210496, 23827200, 24177600, 24661152, 25228800, 25688700, 25789440, 26805600, 27025920, 27401280, 28592640, 29013120, 29228032, 30028800, 30826440, 31769600, 32236800, 32881536, 33782400, 34251600, 34311168, 35740800, 36266400, 36535040, 38533050, 38684160, 41101920, 42888960, 42982400, 43842048, 45043200, 45668800, 46420992, 47654400, 48355200, 49322304, 50457600, 51377400, 53611200, 54051840, 54802560, 57185280, 58026240, 61652880, 64473600, 65763072, 67564800, 68503200, 71481600, 72532800, 73070080, 77066100, 77368320, 82203840, 85777920, 87684096, 90086400, 91337600, 95308800, 96710400, 98644608, 102754800, 107222400, 109605120, 116052480, 123305760, 128947200, 131526144, 135129600, 137006400, 142963200, 145065600, 146140160, 154132200, 164407680, 171555840, 182675200, 193420800, 197289216, 205509600, 214444800, 219210240, 232104960, 246611520, 263052288, 270259200, 274012800, 285926400, 290131200, 308264400, 328815360, 365350400, 386841600, 394578432, 411019200, 428889600, 438420480, 493223040, 548025600, 580262400, 616528800, 657630720, 730700800, 789156864, 822038400, 857779200, 986446080, 1096051200, 1160524800, 1233057600, 1315261440, 1644076800, 1972892160, 2192102400, 2466115200, 3288153600, 3945784320, 4932230400, 6576307200, 9864460800, 19728921600]

約数ペア:

[(1, 19728921600), (2, 9864460800), (3, 6576307200), (4, 4932230400), (5, 3945784320), (6, 3288153600), (8, 2466115200), (9, 2192102400), (10, 1972892160), (12, 1644076800), (15, 1315261440), (16, 1233057600), (17, 1160524800), (18, 1096051200), (20, 986446080), (23, 857779200), (24, 822038400), (25, 789156864), (27, 730700800), (30, 657630720), (32, 616528800), (34, 580262400), (36, 548025600), (40, 493223040), (45, 438420480), (46, 428889600), (48, 411019200), (50, 394578432), (51, 386841600), (54, 365350400), (60, 328815360), (64, 308264400), (68, 290131200), (69, 285926400), (72, 274012800), (73, 270259200), (75, 263052288), (80, 246611520), (85, 232104960), (90, 219210240), (92, 214444800), (96, 205509600), (100, 197289216), (102, 193420800), (108, 182675200), (115, 171555840), (120, 164407680), (128, 154132200), (135, 146140160), (136, 145065600), (138, 142963200), (144, 137006400), (146, 135129600), (150, 131526144), (153, 128947200), (160, 123305760), (170, 116052480), (180, 109605120), (184, 107222400), (192, 102754800), (200, 98644608), (204, 96710400), (207, 95308800), (216, 91337600), (219, 90086400), (225, 87684096), (230, 85777920), (240, 82203840), (255, 77368320), (256, 77066100), (270, 73070080), (272, 72532800), (276, 71481600), (288, 68503200), (292, 67564800), (300, 65763072), (306, 64473600), (320, 61652880), (340, 58026240), (345, 57185280), (360, 54802560), (365, 54051840), (368, 53611200), (384, 51377400), (391, 50457600), (400, 49322304), (408, 48355200), (414, 47654400), (425, 46420992), (432, 45668800), (438, 45043200), (450, 43842048), (459, 42982400), (460, 42888960), (480, 41101920), (510, 38684160), (512, 38533050), (540, 36535040), (544, 36266400), (552, 35740800), (575, 34311168), (576, 34251600), (584, 33782400), (600, 32881536), (612, 32236800), (621, 31769600), (640, 30826440), (657, 30028800), (675, 29228032), (680, 29013120), (690, 28592640), (720, 27401280), (730, 27025920), (736, 26805600), (765, 25789440), (768, 25688700), (782, 25228800), (800, 24661152), (816, 24177600), (828, 23827200), (850, 23210496), (864, 22834400), (876, 22521600), (900, 21921024), (918, 21491200), (920, 21444480), (960, 20550960), (1020, 19342080), (1024, 19266525), (1035, 19061760), (1080, 18267520), (1088, 18133200), (1095, 18017280), (1104, 17870400), (1150, 17155584), (1152, 17125800), (1168, 16891200), (1173, 16819200), (1200, 16440768), (1224, 16118400), (1241, 15897600), (1242, 15884800), (1275, 15473664), (1280, 15413220), (1314, 15014400), (1350, 14614016), (1360, 14506560), (1380, 14296320), (1440, 13700640), (1460, 13512960), (1472, 13402800), (1530, 12894720), (1536, 12844350), (1564, 12614400), (1600, 12330576), (1632, 12088800), (1656, 11913600), (1679, 11750400), (1700, 11605248), (1725, 11437056), (1728, 11417200), (1752, 11260800), (1800, 10960512), (1825, 10810368), (1836, 10745600), (1840, 10722240), (1920, 10275480), (1955, 10091520), (1971, 10009600), (2040, 9671040), (2070, 9530880), (2160, 9133760), (2176, 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(5037, 3916800), (5100, 3868416), (5120, 3853305), (5175, 3812352), (5256, 3753600), (5400, 3653504), (5440, 3626640), (5475, 3603456), (5520, 3574080), (5760, 3425160), (5840, 3378240), (5865, 3363840), (5888, 3350700), (6120, 3223680), (6205, 3179520), (6210, 3176960), (6256, 3153600), (6400, 3082644), (6528, 3022200), (6570, 3002880), (6624, 2978400), (6716, 2937600), (6800, 2901312), (6900, 2859264), (6912, 2854300), (7008, 2815200), (7038, 2803200), (7200, 2740128), (7300, 2702592), (7344, 2686400), (7360, 2680560), (7446, 2649600), (7650, 2578944), (7680, 2568870), (7820, 2522880), (7884, 2502400), (8160, 2417760), (8280, 2382720), (8395, 2350080), (8640, 2283440), (8704, 2266650), (8760, 2252160), (8832, 2233800), (9180, 2149120), (9200, 2144448), (9216, 2140725), (9344, 2111400), (9384, 2102400), (9600, 2055096), (9775, 2018304), (9792, 2014800), (9855, 2001920), (9928, 1987200), (9936, 1985600), (10074, 1958400), (10200, 1934208), (10350, 1906176), (10512, 1876800), (10557, 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(20148, 979200), (20400, 967104), (20700, 953088), (21024, 938400), (21114, 934400), (21600, 913376), (21760, 906660), (21900, 900864), (22080, 893520), (22338, 883200), (22950, 859648), (23040, 856290), (23360, 844560), (23460, 840960), (23552, 837675), (24480, 805920), (24820, 794880), (24840, 794240), (25024, 788400), (25185, 783360), (25600, 770661), (26112, 755550), (26280, 750720), (26496, 744600), (26864, 734400), (27200, 725328), (27600, 714816), (27648, 713575), (28032, 703800), (28152, 700800), (28543, 691200), (28800, 685032), (29200, 675648), (29325, 672768), (29376, 671600), (29440, 670140), (29784, 662400), (30222, 652800), (30600, 644736), (31025, 635904), (31050, 635392), (31280, 630720), (31536, 625600), (32640, 604440), (32850, 600576), (33120, 595680), (33507, 588800), (33580, 587520), (34560, 570860), (35040, 563040), (35190, 560640), (35328, 558450), (36720, 537280), (36800, 536112), (37230, 529920), (37376, 527850), (37536, 525600), (38400, 513774), (39100, 504576), (39168, 503700), (39420, 500480), (39712, 496800), (39744, 496400), (40296, 489600), (40800, 483552), (41400, 476544), (41975, 470016), (42048, 469200), (42228, 467200), (43200, 456688), (43520, 453330), (43800, 450432), (44160, 446760), (44676, 441600), (45333, 435200), (45900, 429824), (46080, 428145), (46720, 422280), (46920, 420480), (48960, 402960), (49275, 400384), (49640, 397440), (49680, 397120), (50048, 394200), (50370, 391680), (52224, 377775), (52560, 375360), (52785, 373760), (52992, 372300), (53728, 367200), (54400, 362664), (55200, 357408), (55845, 353280), (56064, 351900), (56304, 350400), (57086, 345600), (57600, 342516), (58400, 337824), (58650, 336384), (58752, 335800), (58880, 335070), (59568, 331200), (60444, 326400), (61200, 322368), (62050, 317952), (62100, 317696), (62560, 315360), (63072, 312800), (65280, 302220), (65700, 300288), (66240, 297840), (67014, 294400), (67160, 293760), (69120, 285430), (70080, 281520), (70380, 280320), (70656, 279225), (73440, 268640), (73600, 268056), (74460, 264960), (74752, 263925), (75072, 262800), (75555, 261120), (76800, 256887), (78200, 252288), (78336, 251850), (78840, 250240), (79424, 248400), (79488, 248200), (80592, 244800), (81600, 241776), (82800, 238272), (83950, 235008), (84096, 234600), (84456, 233600), (85629, 230400), (86400, 228344), (87040, 226665), (87600, 225216), (87975, 224256), (88320, 223380), (89352, 220800), (90666, 217600), (91800, 214912), (93075, 211968), (93440, 211140), (93840, 210240), (97920, 201480), (98550, 200192), (99280, 198720), (99360, 198560), (100096, 197100), (100740, 195840), (105120, 187680), (105570, 186880), (105984, 186150), (107456, 183600), (108800, 181332), (110400, 178704), (111690, 176640), (112128, 175950), (112608, 175200), (114172, 172800), (115200, 171258), (116800, 168912), (117300, 168192), (117504, 167900), (117760, 167535), (119136, 165600), (120888, 163200), (122400, 161184), (124100, 158976), (124200, 158848), (125120, 157680), (125925, 156672), (126144, 156400), (130560, 151110), (131400, 150144), (132480, 148920), (134028, 147200), (134320, 146880), (138240, 142715), (140160, 140760)]