20187628800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 432

約数和(自身を含む): 68980584960

約数和(自身を除く): 48792956160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 59, 60, 64, 71, 75, 80, 96, 100, 118, 120, 128, 142, 150, 160, 177, 192, 200, 213, 236, 240, 251, 256, 284, 295, 300, 320, 354, 355, 384, 400, 426, 472, 480, 502, 568, 590, 600, 640, 708, 710, 753, 768, 800, 852, 885, 944, 960, 1004, 1065, 1136, 1180, 1200, 1255, 1280, 1416, 1420, 1475, 1506, 1600, 1704, 1770, 1775, 1888, 1920, 2008, 2130, 2272, 2360, 2400, 2510, 2832, 2840, 2950, 3012, 3200, 3408, 3540, 3550, 3765, 3776, 3840, 4016, 4189, 4260, 4425, 4544, 4720, 4800, 5020, 5325, 5664, 5680, 5900, 6024, 6275, 6400, 6816, 7080, 7100, 7530, 7552, 8032, 8378, 8520, 8850, 9088, 9440, 9600, 10040, 10650, 11328, 11360, 11800, 12048, 12550, 12567, 13632, 14160, 14200, 14809, 15060, 15104, 16064, 16756, 17040, 17700, 17821, 18176, 18825, 18880, 19200, 20080, 20945, 21300, 22656, 22720, 23600, 24096, 25100, 25134, 27264, 28320, 28400, 29618, 30120, 32128, 33512, 34080, 35400, 35642, 37650, 37760, 40160, 41890, 42600, 44427, 45312, 45440, 47200, 48192, 50200, 50268, 53463, 54528, 56640, 56800, 59236, 60240, 62835, 64256, 67024, 68160, 70800, 71284, 74045, 75300, 75520, 80320, 83780, 85200, 88854, 89105, 90880, 94400, 96384, 100400, 100536, 104725, 106926, 113280, 113600, 118472, 120480, 125670, 134048, 136320, 141600, 142568, 148090, 150600, 160640, 167560, 170400, 177708, 178210, 188800, 192768, 200800, 201072, 209450, 213852, 222135, 226560, 227200, 236944, 240960, 251340, 267315, 268096, 272640, 283200, 285136, 296180, 301200, 314175, 321280, 335120, 340800, 355416, 356420, 370225, 377600, 401600, 402144, 418900, 427704, 444270, 445525, 454400, 473888, 481920, 502680, 534630, 536192, 566400, 570272, 592360, 602400, 628350, 670240, 681600, 710832, 712840, 740450, 803200, 804288, 837800, 855408, 888540, 891050, 947776, 963840, 1005360, 1051439, 1069260, 1072384, 1110675, 1132800, 1140544, 1184720, 1204800, 1256700, 1336575, 1340480, 1363200, 1421664, 1425680, 1480900, 1606400, 1608576, 1675600, 1710816, 1777080, 1782100, 1895552, 2010720, 2102878, 2138520, 2221350, 2281088, 2369440, 2409600, 2513400, 2673150, 2680960, 2843328, 2851360, 2961800, 3154317, 3217152, 3351200, 3421632, 3554160, 3564200, 3791104, 4021440, 4205756, 4277040, 4442700, 4562176, 4738880, 4819200, 5026800, 5257195, 5346300, 5361920, 5686656, 5702720, 5923600, 6308634, 6702400, 6843264, 7108320, 7128400, 8042880, 8411512, 8554080, 8885400, 9477760, 10053600, 10514390, 10692600, 11373312, 11405440, 11847200, 12617268, 13404800, 13686528, 14216640, 14256800, 15771585, 16085760, 16823024, 17108160, 17770800, 18955520, 20107200, 21028780, 21385200, 22810880, 23694400, 25234536, 26285975, 26809600, 28433280, 28513600, 31543170, 33646048, 34216320, 35541600, 40214400, 42057560, 42770400, 47388800, 50469072, 52571950, 56866560, 57027200, 63086340, 67292096, 68432640, 71083200, 78857925, 80428800, 84115120, 85540800, 94777600, 100938144, 105143900, 114054400, 126172680, 134584192, 142166400, 157715850, 168230240, 171081600, 201876288, 210287800, 252345360, 269168384, 284332800, 315431700, 336460480, 342163200, 403752576, 420575600, 504690720, 630863400, 672920960, 807505152, 841151200, 1009381440, 1261726800, 1345841920, 1682302400, 2018762880, 2523453600, 3364604800, 4037525760, 5046907200, 6729209600, 10093814400, 20187628800]

約数ペア:

[(1, 20187628800), (2, 10093814400), (3, 6729209600), (4, 5046907200), (5, 4037525760), (6, 3364604800), (8, 2523453600), (10, 2018762880), (12, 1682302400), (15, 1345841920), (16, 1261726800), (20, 1009381440), (24, 841151200), (25, 807505152), (30, 672920960), (32, 630863400), (40, 504690720), (48, 420575600), (50, 403752576), (59, 342163200), (60, 336460480), (64, 315431700), (71, 284332800), (75, 269168384), (80, 252345360), (96, 210287800), (100, 201876288), (118, 171081600), (120, 168230240), (128, 157715850), (142, 142166400), (150, 134584192), (160, 126172680), (177, 114054400), (192, 105143900), (200, 100938144), (213, 94777600), (236, 85540800), (240, 84115120), (251, 80428800), (256, 78857925), (284, 71083200), (295, 68432640), (300, 67292096), (320, 63086340), (354, 57027200), (355, 56866560), (384, 52571950), (400, 50469072), (426, 47388800), (472, 42770400), (480, 42057560), (502, 40214400), (568, 35541600), (590, 34216320), (600, 33646048), (640, 31543170), (708, 28513600), (710, 28433280), (753, 26809600), (768, 26285975), (800, 25234536), (852, 23694400), (885, 22810880), (944, 21385200), (960, 21028780), (1004, 20107200), (1065, 18955520), (1136, 17770800), (1180, 17108160), (1200, 16823024), (1255, 16085760), (1280, 15771585), (1416, 14256800), (1420, 14216640), (1475, 13686528), (1506, 13404800), (1600, 12617268), (1704, 11847200), (1770, 11405440), (1775, 11373312), (1888, 10692600), (1920, 10514390), (2008, 10053600), (2130, 9477760), (2272, 8885400), (2360, 8554080), (2400, 8411512), (2510, 8042880), (2832, 7128400), (2840, 7108320), (2950, 6843264), (3012, 6702400), (3200, 6308634), (3408, 5923600), (3540, 5702720), (3550, 5686656), (3765, 5361920), (3776, 5346300), (3840, 5257195), (4016, 5026800), (4189, 4819200), (4260, 4738880), (4425, 4562176), (4544, 4442700), (4720, 4277040), (4800, 4205756), (5020, 4021440), (5325, 3791104), (5664, 3564200), (5680, 3554160), (5900, 3421632), (6024, 3351200), (6275, 3217152), (6400, 3154317), (6816, 2961800), (7080, 2851360), (7100, 2843328), (7530, 2680960), (7552, 2673150), (8032, 2513400), (8378, 2409600), (8520, 2369440), (8850, 2281088), (9088, 2221350), (9440, 2138520), (9600, 2102878), (10040, 2010720), (10650, 1895552), (11328, 1782100), (11360, 1777080), (11800, 1710816), (12048, 1675600), (12550, 1608576), (12567, 1606400), (13632, 1480900), (14160, 1425680), (14200, 1421664), (14809, 1363200), (15060, 1340480), (15104, 1336575), (16064, 1256700), (16756, 1204800), (17040, 1184720), (17700, 1140544), (17821, 1132800), (18176, 1110675), (18825, 1072384), (18880, 1069260), (19200, 1051439), (20080, 1005360), (20945, 963840), (21300, 947776), (22656, 891050), (22720, 888540), (23600, 855408), (24096, 837800), (25100, 804288), (25134, 803200), (27264, 740450), (28320, 712840), (28400, 710832), (29618, 681600), (30120, 670240), (32128, 628350), (33512, 602400), (34080, 592360), (35400, 570272), (35642, 566400), (37650, 536192), (37760, 534630), (40160, 502680), (41890, 481920), (42600, 473888), (44427, 454400), (45312, 445525), (45440, 444270), (47200, 427704), (48192, 418900), (50200, 402144), (50268, 401600), (53463, 377600), (54528, 370225), (56640, 356420), (56800, 355416), (59236, 340800), (60240, 335120), (62835, 321280), (64256, 314175), (67024, 301200), (68160, 296180), (70800, 285136), (71284, 283200), (74045, 272640), (75300, 268096), (75520, 267315), (80320, 251340), (83780, 240960), (85200, 236944), (88854, 227200), (89105, 226560), (90880, 222135), (94400, 213852), (96384, 209450), (100400, 201072), (100536, 200800), (104725, 192768), (106926, 188800), (113280, 178210), (113600, 177708), (118472, 170400), (120480, 167560), (125670, 160640), (134048, 150600), (136320, 148090), (141600, 142568)]