20861521920

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1286

約数の個数: 416

約数和(自身を含む): 76620579840

約数和(自身を除く): 55759057920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 512, 540, 558, 576, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1024, 1080, 1116, 1152, 1217, 1240, 1280, 1395, 1440, 1488, 1536, 1674, 1728, 1860, 1920, 1984, 2048, 2160, 2232, 2304, 2434, 2480, 2560, 2790, 2880, 2976, 3072, 3348, 3456, 3651, 3720, 3840, 3968, 4096, 4185, 4320, 4464, 4608, 4868, 4960, 5120, 5580, 5760, 5952, 6085, 6144, 6696, 6912, 7302, 7440, 7680, 7936, 8370, 8640, 8928, 9216, 9736, 9920, 10240, 10953, 11160, 11520, 11904, 12170, 12288, 13392, 13824, 14604, 14880, 15360, 15872, 16740, 17280, 17856, 18255, 18432, 19472, 19840, 20480, 21906, 22320, 23040, 23808, 24340, 26784, 27648, 29208, 29760, 30720, 31744, 32859, 33480, 34560, 35712, 36510, 36864, 37727, 38944, 39680, 43812, 44640, 46080, 47616, 48680, 53568, 54765, 55296, 58416, 59520, 61440, 63488, 65718, 66960, 69120, 71424, 73020, 75454, 77888, 79360, 87624, 89280, 92160, 95232, 97360, 107136, 109530, 110592, 113181, 116832, 119040, 126976, 131436, 133920, 138240, 142848, 146040, 150908, 155776, 158720, 164295, 175248, 178560, 184320, 188635, 190464, 194720, 214272, 219060, 226362, 233664, 238080, 262872, 267840, 276480, 285696, 292080, 301816, 311552, 317440, 328590, 339543, 350496, 357120, 377270, 380928, 389440, 428544, 438120, 452724, 467328, 476160, 525744, 535680, 552960, 565905, 571392, 584160, 603632, 623104, 634880, 657180, 679086, 700992, 714240, 754540, 778880, 857088, 876240, 905448, 934656, 952320, 1018629, 1051488, 1071360, 1131810, 1142784, 1168320, 1207264, 1246208, 1314360, 1358172, 1401984, 1428480, 1509080, 1557760, 1697715, 1714176, 1752480, 1810896, 1869312, 1904640, 2037258, 2102976, 2142720, 2263620, 2336640, 2414528, 2492416, 2628720, 2716344, 2803968, 2856960, 3018160, 3115520, 3395430, 3428352, 3504960, 3621792, 3738624, 4074516, 4205952, 4285440, 4527240, 4673280, 4829056, 4984832, 5093145, 5257440, 5432688, 5607936, 5713920, 6036320, 6231040, 6790860, 7009920, 7243584, 7477248, 8149032, 8411904, 8570880, 9054480, 9346560, 9658112, 10186290, 10514880, 10865376, 11215872, 12072640, 12462080, 13581720, 14019840, 14487168, 14954496, 16298064, 16823808, 17141760, 18108960, 18693120, 19316224, 20372580, 21029760, 21730752, 22431744, 24145280, 24924160, 27163440, 28039680, 28974336, 32596128, 33647616, 36217920, 37386240, 38632448, 40745160, 42059520, 43461504, 44863488, 48290560, 54326880, 56079360, 57948672, 65192256, 67295232, 72435840, 74772480, 77264896, 81490320, 84119040, 86923008, 96581120, 108653760, 112158720, 115897344, 130384512, 134590464, 144871680, 154529792, 162980640, 168238080, 173846016, 193162240, 217307520, 224317440, 231794688, 260769024, 289743360, 325961280, 336476160, 347692032, 386324480, 434615040, 463589376, 521538048, 579486720, 651922560, 672952320, 695384064, 772648960, 869230080, 1043076096, 1158973440, 1303845120, 1390768128, 1738460160, 2086152192, 2317946880, 2607690240, 3476920320, 4172304384, 5215380480, 6953840640, 10430760960, 20861521920]

約数ペア:

[(1, 20861521920), (2, 10430760960), (3, 6953840640), (4, 5215380480), (5, 4172304384), (6, 3476920320), (8, 2607690240), (9, 2317946880), (10, 2086152192), (12, 1738460160), (15, 1390768128), (16, 1303845120), (18, 1158973440), (20, 1043076096), (24, 869230080), (27, 772648960), (30, 695384064), (31, 672952320), (32, 651922560), (36, 579486720), (40, 521538048), (45, 463589376), (48, 434615040), (54, 386324480), (60, 347692032), (62, 336476160), (64, 325961280), (72, 289743360), (80, 260769024), (90, 231794688), (93, 224317440), (96, 217307520), (108, 193162240), (120, 173846016), (124, 168238080), (128, 162980640), (135, 154529792), (144, 144871680), (155, 134590464), (160, 130384512), (180, 115897344), (186, 112158720), (192, 108653760), (216, 96581120), (240, 86923008), (248, 84119040), (256, 81490320), (270, 77264896), (279, 74772480), (288, 72435840), (310, 67295232), (320, 65192256), (360, 57948672), (372, 56079360), (384, 54326880), (432, 48290560), (465, 44863488), (480, 43461504), (496, 42059520), (512, 40745160), (540, 38632448), (558, 37386240), (576, 36217920), (620, 33647616), (640, 32596128), (720, 28974336), (744, 28039680), (768, 27163440), (837, 24924160), (864, 24145280), (930, 22431744), (960, 21730752), (992, 21029760), (1024, 20372580), (1080, 19316224), (1116, 18693120), (1152, 18108960), (1217, 17141760), (1240, 16823808), (1280, 16298064), (1395, 14954496), (1440, 14487168), (1488, 14019840), (1536, 13581720), (1674, 12462080), (1728, 12072640), (1860, 11215872), (1920, 10865376), (1984, 10514880), (2048, 10186290), (2160, 9658112), (2232, 9346560), (2304, 9054480), (2434, 8570880), (2480, 8411904), (2560, 8149032), (2790, 7477248), (2880, 7243584), (2976, 7009920), (3072, 6790860), (3348, 6231040), (3456, 6036320), (3651, 5713920), (3720, 5607936), (3840, 5432688), (3968, 5257440), (4096, 5093145), (4185, 4984832), (4320, 4829056), (4464, 4673280), (4608, 4527240), (4868, 4285440), (4960, 4205952), (5120, 4074516), (5580, 3738624), (5760, 3621792), (5952, 3504960), (6085, 3428352), (6144, 3395430), (6696, 3115520), (6912, 3018160), (7302, 2856960), (7440, 2803968), (7680, 2716344), (7936, 2628720), (8370, 2492416), (8640, 2414528), (8928, 2336640), (9216, 2263620), (9736, 2142720), (9920, 2102976), (10240, 2037258), (10953, 1904640), (11160, 1869312), (11520, 1810896), (11904, 1752480), (12170, 1714176), (12288, 1697715), (13392, 1557760), (13824, 1509080), (14604, 1428480), (14880, 1401984), (15360, 1358172), (15872, 1314360), (16740, 1246208), (17280, 1207264), (17856, 1168320), (18255, 1142784), (18432, 1131810), (19472, 1071360), (19840, 1051488), (20480, 1018629), (21906, 952320), (22320, 934656), (23040, 905448), (23808, 876240), (24340, 857088), (26784, 778880), (27648, 754540), (29208, 714240), (29760, 700992), (30720, 679086), (31744, 657180), (32859, 634880), (33480, 623104), (34560, 603632), (35712, 584160), (36510, 571392), (36864, 565905), (37727, 552960), (38944, 535680), (39680, 525744), (43812, 476160), (44640, 467328), (46080, 452724), (47616, 438120), (48680, 428544), (53568, 389440), (54765, 380928), (55296, 377270), (58416, 357120), (59520, 350496), (61440, 339543), (63488, 328590), (65718, 317440), (66960, 311552), (69120, 301816), (71424, 292080), (73020, 285696), (75454, 276480), (77888, 267840), (79360, 262872), (87624, 238080), (89280, 233664), (92160, 226362), (95232, 219060), (97360, 214272), (107136, 194720), (109530, 190464), (110592, 188635), (113181, 184320), (116832, 178560), (119040, 175248), (126976, 164295), (131436, 158720), (133920, 155776), (138240, 150908), (142848, 146040)]