20915677440

素因数分解:

$2^8\times 3^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 1080

約数和(自身を含む): 91351592640

約数和(自身を除く): 70435915200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 49, 54, 56, 60, 63, 64, 69, 70, 72, 80, 81, 84, 90, 92, 96, 98, 105, 108, 112, 115, 120, 126, 128, 135, 138, 140, 144, 147, 160, 161, 162, 168, 179, 180, 184, 189, 192, 196, 207, 210, 216, 224, 230, 240, 245, 252, 256, 270, 276, 280, 288, 294, 315, 320, 322, 324, 336, 345, 358, 360, 368, 378, 384, 392, 405, 414, 420, 432, 441, 448, 460, 480, 483, 490, 504, 537, 540, 552, 560, 567, 576, 588, 621, 630, 640, 644, 648, 672, 690, 716, 720, 735, 736, 756, 768, 784, 805, 810, 828, 840, 864, 882, 895, 896, 920, 945, 960, 966, 980, 1008, 1035, 1074, 1080, 1104, 1120, 1127, 1134, 1152, 1176, 1242, 1253, 1260, 1280, 1288, 1296, 1323, 1344, 1380, 1432, 1440, 1449, 1470, 1472, 1512, 1568, 1610, 1611, 1620, 1656, 1680, 1728, 1764, 1790, 1792, 1840, 1863, 1890, 1920, 1932, 1960, 2016, 2070, 2148, 2160, 2205, 2208, 2240, 2254, 2268, 2304, 2352, 2415, 2484, 2506, 2520, 2576, 2592, 2646, 2685, 2688, 2760, 2835, 2864, 2880, 2898, 2940, 2944, 3024, 3105, 3136, 3220, 3222, 3240, 3312, 3360, 3381, 3456, 3528, 3580, 3680, 3726, 3759, 3780, 3840, 3864, 3920, 3969, 4032, 4117, 4140, 4296, 4320, 4347, 4410, 4416, 4480, 4508, 4536, 4704, 4830, 4833, 4968, 5012, 5040, 5152, 5184, 5292, 5370, 5376, 5520, 5635, 5670, 5728, 5760, 5796, 5880, 5888, 6048, 6210, 6265, 6272, 6440, 6444, 6480, 6615, 6624, 6720, 6762, 6912, 7056, 7160, 7245, 7360, 7452, 7518, 7560, 7728, 7840, 7938, 8055, 8064, 8234, 8280, 8592, 8640, 8694, 8771, 8820, 8832, 8960, 9016, 9072, 9315, 9408, 9660, 9666, 9936, 10024, 10080, 10143, 10304, 10368, 10584, 10740, 11040, 11270, 11277, 11340, 11456, 11520, 11592, 11760, 12096, 12351, 12420, 12530, 12544, 12880, 12888, 12960, 13041, 13230, 13248, 13440, 13524, 14112, 14320, 14490, 14499, 14720, 14904, 15036, 15120, 15456, 15680, 15876, 16110, 16128, 16468, 16560, 16905, 17184, 17280, 17388, 17542, 17640, 17664, 18032, 18144, 18630, 18795, 18816, 19320, 19332, 19845, 19872, 20048, 20160, 20286, 20585, 20608, 20736, 21168, 21480, 21735, 22080, 22540, 22554, 22680, 22912, 23184, 23520, 24165, 24192, 24702, 24840, 25060, 25760, 25776, 25920, 26082, 26313, 26460, 26496, 26880, 27048, 28224, 28640, 28819, 28980, 28998, 29440, 29808, 30072, 30240, 30429, 30912, 31360, 31752, 32220, 32936, 33120, 33810, 33831, 34368, 34560, 34776, 35084, 35280, 36064, 36288, 37053, 37260, 37590, 37632, 38640, 38664, 39690, 39744, 40096, 40320, 40572, 41170, 41216, 42336, 42960, 43470, 43855, 44160, 45080, 45108, 45360, 45824, 46368, 47040, 48330, 48384, 49404, 49680, 50120, 50715, 51520, 51552, 51840, 52164, 52626, 52920, 52992, 54096, 56385, 56448, 57280, 57638, 57960, 57996, 59616, 60144, 60480, 60858, 61755, 61824, 62720, 63504, 64440, 65205, 65872, 66240, 67620, 67662, 68736, 69552, 70168, 70560, 72128, 72495, 72576, 74106, 74520, 75180, 77280, 77328, 78939, 79380, 79488, 80192, 80640, 81144, 82340, 84672, 85920, 86457, 86940, 87710, 88320, 90160, 90216, 90720, 91287, 92736, 94080, 96660, 98808, 99360, 100240, 101430, 101493, 103040, 103104, 103680, 104328, 105252, 105840, 108192, 111159, 112770, 112896, 114560, 115276, 115920, 115992, 119232, 120288, 120960, 121716, 123510, 123648, 127008, 128880, 130410, 131565, 131744, 132480, 135240, 135324, 137472, 139104, 140336, 141120, 144095, 144256, 144990, 145152, 148212, 149040, 150360, 152145, 154560, 154656, 157878, 158760, 158976, 160384, 162288, 164680, 169155, 169344, 171840, 172914, 173880, 175420, 180320, 180432, 181440, 182574, 185265, 185472, 188160, 193320, 197616, 198720, 200480, 201733, 202860, 202986, 206080, 206208, 208656, 210504, 211680, 216384, 222318, 225540, 229120, 230552, 231840, 231984, 236817, 238464, 240576, 241920, 243432, 247020, 254016, 257760, 259371, 260820, 263130, 263488, 264960, 270480, 270648, 278208, 280672, 282240, 288190, 288512, 289980, 296424, 298080, 300720, 304290, 309120, 309312, 315756, 317520, 320768, 324576, 329360, 333477, 338310, 338688, 343680, 345828, 347760, 350840, 360640, 360864, 362880, 365148, 370530, 370944, 386640, 394695, 395232, 397440, 400960, 403466, 405720, 405972, 412416, 417312, 421008, 423360, 432285, 432768, 444636, 451080, 456435, 461104, 463680, 463968, 473634, 476928, 481152, 486864, 494040, 507465, 508032, 515520, 518742, 521640, 526260, 526976, 540960, 541296, 555795, 556416, 561344, 564480, 576380, 579960, 592848, 596160, 601440, 605199, 608580, 618240, 618624, 631512, 635040, 649152, 658720, 666954, 676620, 687360, 691656, 695520, 701680, 710451, 721280, 721728, 725760, 730296, 741060, 773280, 778113, 789390, 790464, 794880, 801920, 806932, 811440, 811944, 834624, 842016, 846720, 864570, 865536, 889272, 902160, 912870, 922208, 927360, 927936, 947268, 962304, 973728, 988080, 1008665, 1014930, 1016064, 1031040, 1037484, 1043280, 1052520, 1053952, 1081920, 1082592, 1111590, 1112832, 1122688, 1152760, 1159920, 1184085, 1185696, 1192320, 1202880, 1210398, 1217160, 1237248, 1263024, 1270080, 1296855, 1298304, 1317440, 1333908, 1353240, 1383312, 1391040, 1403360, 1420902, 1442560, 1443456, 1460592, 1482120, 1546560, 1556226, 1578780, 1580928, 1603840, 1613864, 1622880, 1623888, 1667385, 1669248, 1684032, 1693440, 1729140, 1778544, 1804320, 1815597, 1825740, 1844416, 1854720, 1855872, 1894536, 1947456, 1976160, 2017330, 2029860, 2062080, 2074968, 2086560, 2105040, 2163840, 2165184, 2223180, 2245376, 2305520, 2319840, 2334339, 2368170, 2371392, 2384640, 2405760, 2420796, 2434320, 2526048, 2540160, 2593710, 2596608, 2634880, 2667816, 2706480, 2766624, 2782080, 2806720, 2841804, 2886912, 2921184, 2964240, 3025995, 3093120, 3112452, 3157560, 3161856, 3227728, 3245760, 3247776, 3334770, 3338496, 3368064, 3458280, 3552255, 3557088, 3608640, 3631194, 3651480, 3688832, 3711744, 3789072, 3890565, 3894912, 3952320, 4034660, 4059720, 4149936, 4173120, 4210080, 4327680, 4330368, 4446360, 4611040, 4639680, 4668678, 4736340, 4742784, 4811520, 4841592, 4868640, 5052096, 5080320, 5187420, 5269760, 5335632, 5412960, 5446791, 5533248, 5564160, 5613440, 5683608, 5842368, 5928480, 6051990, 6186240, 6224904, 6315120, 6455456, 6491520, 6495552, 6669540, 6736128, 6916560, 7104510, 7114176, 7217280, 7262388, 7302960, 7377664, 7578144, 7781130, 7789824, 7904640, 8069320, 8119440, 8299872, 8346240, 8420160, 8660736, 8892720, 9077985, 9222080, 9279360, 9337356, 9472680, 9485568, 9683184, 9737280, 10104192, 10374840, 10671264, 10825920, 10893582, 11066496, 11226880, 11367216, 11671695, 11684736, 11856960, 12103980, 12449808, 12630240, 12910912, 12983040, 12991104, 13339080, 13833120, 14209020, 14228352, 14434560, 14524776, 14605920, 15156288, 15562260, 15809280, 16138640, 16238880, 16340373, 16599744, 16692480, 16840320, 17785440, 18155970, 18444160, 18558720, 18674712, 18945360, 19366368, 19474560, 20208384, 20749680, 21342528, 21651840, 21787164, 22132992, 22734432, 23343390, 23369472, 23713920, 24207960, 24899616, 25260480, 25821824, 25982208, 26678160, 27233955, 27666240, 28418040, 28456704, 29049552, 29211840, 30312576, 31124520, 32277280, 32477760, 32680746, 33199488, 33680640, 35570880, 36311940, 36888320, 37349424, 37890720, 38732736, 38949120, 41499360, 42685056, 43303680, 43574328, 45468864, 46686780, 47427840, 48415920, 49799232, 50520960, 51643648, 53356320, 54467910, 55332480, 56836080, 58099104, 58423680, 60625152, 62249040, 64554560, 64955520, 65361492, 66398976, 71141760, 72623880, 74698848, 75781440, 77465472, 81701865, 82998720, 85370112, 87148656, 90937728, 93373560, 96831840, 99598464, 101041920, 106712640, 108935820, 110664960, 113672160, 116198208, 116847360, 124498080, 129109120, 129911040, 130722984, 142283520, 145247760, 149397696, 151562880, 154930944, 163403730, 165997440, 174297312, 181875456, 186747120, 193663680, 199196928, 213425280, 217871640, 227344320, 232396416, 248996160, 258218240, 261445968, 290495520, 298795392, 303125760, 326807460, 331994880, 348594624, 373494240, 387327360, 426850560, 435743280, 454688640, 464792832, 497992320, 522891936, 580991040, 597590784, 653614920, 697189248, 746988480, 774654720, 871486560, 909377280, 995984640, 1045783872, 1161982080, 1307229840, 1394378496, 1493976960, 1742973120, 2091567744, 2323964160, 2614459680, 2987953920, 3485946240, 4183135488, 5228919360, 6971892480, 10457838720, 20915677440]

約数ペア:

[(1, 20915677440), (2, 10457838720), (3, 6971892480), (4, 5228919360), (5, 4183135488), (6, 3485946240), (7, 2987953920), (8, 2614459680), (9, 2323964160), (10, 2091567744), (12, 1742973120), (14, 1493976960), (15, 1394378496), (16, 1307229840), (18, 1161982080), (20, 1045783872), (21, 995984640), (23, 909377280), (24, 871486560), (27, 774654720), (28, 746988480), (30, 697189248), (32, 653614920), (35, 597590784), (36, 580991040), (40, 522891936), (42, 497992320), (45, 464792832), (46, 454688640), (48, 435743280), (49, 426850560), (54, 387327360), (56, 373494240), (60, 348594624), (63, 331994880), (64, 326807460), (69, 303125760), (70, 298795392), (72, 290495520), (80, 261445968), (81, 258218240), (84, 248996160), (90, 232396416), (92, 227344320), (96, 217871640), (98, 213425280), (105, 199196928), (108, 193663680), (112, 186747120), (115, 181875456), (120, 174297312), (126, 165997440), (128, 163403730), (135, 154930944), (138, 151562880), (140, 149397696), (144, 145247760), (147, 142283520), (160, 130722984), (161, 129911040), (162, 129109120), (168, 124498080), (179, 116847360), (180, 116198208), (184, 113672160), (189, 110664960), (192, 108935820), (196, 106712640), (207, 101041920), (210, 99598464), (216, 96831840), (224, 93373560), (230, 90937728), (240, 87148656), (245, 85370112), (252, 82998720), (256, 81701865), (270, 77465472), (276, 75781440), (280, 74698848), (288, 72623880), (294, 71141760), (315, 66398976), (320, 65361492), (322, 64955520), (324, 64554560), (336, 62249040), (345, 60625152), (358, 58423680), (360, 58099104), (368, 56836080), (378, 55332480), (384, 54467910), (392, 53356320), (405, 51643648), (414, 50520960), (420, 49799232), (432, 48415920), (441, 47427840), (448, 46686780), (460, 45468864), (480, 43574328), (483, 43303680), (490, 42685056), (504, 41499360), (537, 38949120), (540, 38732736), (552, 37890720), (560, 37349424), (567, 36888320), (576, 36311940), (588, 35570880), (621, 33680640), (630, 33199488), (640, 32680746), (644, 32477760), (648, 32277280), (672, 31124520), (690, 30312576), (716, 29211840), (720, 29049552), (735, 28456704), (736, 28418040), (756, 27666240), (768, 27233955), (784, 26678160), (805, 25982208), (810, 25821824), (828, 25260480), (840, 24899616), (864, 24207960), (882, 23713920), (895, 23369472), (896, 23343390), (920, 22734432), (945, 22132992), (960, 21787164), (966, 21651840), (980, 21342528), (1008, 20749680), (1035, 20208384), (1074, 19474560), (1080, 19366368), (1104, 18945360), (1120, 18674712), (1127, 18558720), (1134, 18444160), (1152, 18155970), (1176, 17785440), (1242, 16840320), (1253, 16692480), (1260, 16599744), (1280, 16340373), (1288, 16238880), (1296, 16138640), (1323, 15809280), (1344, 15562260), (1380, 15156288), (1432, 14605920), (1440, 14524776), (1449, 14434560), (1470, 14228352), (1472, 14209020), (1512, 13833120), (1568, 13339080), (1610, 12991104), (1611, 12983040), (1620, 12910912), (1656, 12630240), (1680, 12449808), (1728, 12103980), (1764, 11856960), (1790, 11684736), (1792, 11671695), (1840, 11367216), (1863, 11226880), (1890, 11066496), (1920, 10893582), (1932, 10825920), (1960, 10671264), (2016, 10374840), (2070, 10104192), (2148, 9737280), (2160, 9683184), (2205, 9485568), (2208, 9472680), (2240, 9337356), (2254, 9279360), (2268, 9222080), (2304, 9077985), (2352, 8892720), (2415, 8660736), (2484, 8420160), (2506, 8346240), (2520, 8299872), (2576, 8119440), (2592, 8069320), (2646, 7904640), (2685, 7789824), (2688, 7781130), (2760, 7578144), (2835, 7377664), (2864, 7302960), (2880, 7262388), (2898, 7217280), (2940, 7114176), (2944, 7104510), (3024, 6916560), (3105, 6736128), (3136, 6669540), (3220, 6495552), (3222, 6491520), (3240, 6455456), (3312, 6315120), (3360, 6224904), (3381, 6186240), (3456, 6051990), (3528, 5928480), (3580, 5842368), (3680, 5683608), (3726, 5613440), (3759, 5564160), (3780, 5533248), (3840, 5446791), (3864, 5412960), (3920, 5335632), (3969, 5269760), (4032, 5187420), (4117, 5080320), (4140, 5052096), (4296, 4868640), (4320, 4841592), (4347, 4811520), (4410, 4742784), (4416, 4736340), (4480, 4668678), (4508, 4639680), (4536, 4611040), (4704, 4446360), (4830, 4330368), (4833, 4327680), (4968, 4210080), (5012, 4173120), (5040, 4149936), (5152, 4059720), (5184, 4034660), (5292, 3952320), (5370, 3894912), (5376, 3890565), (5520, 3789072), (5635, 3711744), (5670, 3688832), (5728, 3651480), (5760, 3631194), (5796, 3608640), (5880, 3557088), (5888, 3552255), (6048, 3458280), (6210, 3368064), (6265, 3338496), (6272, 3334770), (6440, 3247776), (6444, 3245760), (6480, 3227728), (6615, 3161856), (6624, 3157560), (6720, 3112452), (6762, 3093120), (6912, 3025995), (7056, 2964240), (7160, 2921184), (7245, 2886912), (7360, 2841804), (7452, 2806720), (7518, 2782080), (7560, 2766624), (7728, 2706480), (7840, 2667816), (7938, 2634880), (8055, 2596608), (8064, 2593710), (8234, 2540160), (8280, 2526048), (8592, 2434320), (8640, 2420796), (8694, 2405760), (8771, 2384640), (8820, 2371392), (8832, 2368170), (8960, 2334339), (9016, 2319840), (9072, 2305520), (9315, 2245376), (9408, 2223180), (9660, 2165184), (9666, 2163840), (9936, 2105040), (10024, 2086560), (10080, 2074968), (10143, 2062080), (10304, 2029860), (10368, 2017330), (10584, 1976160), (10740, 1947456), (11040, 1894536), (11270, 1855872), (11277, 1854720), (11340, 1844416), (11456, 1825740), (11520, 1815597), (11592, 1804320), (11760, 1778544), (12096, 1729140), (12351, 1693440), (12420, 1684032), (12530, 1669248), (12544, 1667385), (12880, 1623888), (12888, 1622880), (12960, 1613864), (13041, 1603840), (13230, 1580928), (13248, 1578780), (13440, 1556226), (13524, 1546560), (14112, 1482120), (14320, 1460592), (14490, 1443456), (14499, 1442560), (14720, 1420902), (14904, 1403360), (15036, 1391040), (15120, 1383312), (15456, 1353240), (15680, 1333908), (15876, 1317440), (16110, 1298304), (16128, 1296855), (16468, 1270080), (16560, 1263024), (16905, 1237248), (17184, 1217160), (17280, 1210398), (17388, 1202880), (17542, 1192320), (17640, 1185696), (17664, 1184085), (18032, 1159920), (18144, 1152760), (18630, 1122688), (18795, 1112832), (18816, 1111590), (19320, 1082592), (19332, 1081920), (19845, 1053952), (19872, 1052520), (20048, 1043280), (20160, 1037484), (20286, 1031040), (20585, 1016064), (20608, 1014930), (20736, 1008665), (21168, 988080), (21480, 973728), (21735, 962304), (22080, 947268), (22540, 927936), (22554, 927360), (22680, 922208), (22912, 912870), (23184, 902160), (23520, 889272), (24165, 865536), (24192, 864570), (24702, 846720), (24840, 842016), (25060, 834624), (25760, 811944), (25776, 811440), (25920, 806932), (26082, 801920), (26313, 794880), (26460, 790464), (26496, 789390), (26880, 778113), (27048, 773280), (28224, 741060), (28640, 730296), (28819, 725760), (28980, 721728), (28998, 721280), (29440, 710451), (29808, 701680), (30072, 695520), (30240, 691656), (30429, 687360), (30912, 676620), (31360, 666954), (31752, 658720), (32220, 649152), (32936, 635040), (33120, 631512), (33810, 618624), (33831, 618240), (34368, 608580), (34560, 605199), (34776, 601440), (35084, 596160), (35280, 592848), (36064, 579960), (36288, 576380), (37053, 564480), (37260, 561344), (37590, 556416), (37632, 555795), (38640, 541296), (38664, 540960), (39690, 526976), (39744, 526260), (40096, 521640), (40320, 518742), (40572, 515520), (41170, 508032), (41216, 507465), (42336, 494040), (42960, 486864), (43470, 481152), (43855, 476928), (44160, 473634), (45080, 463968), (45108, 463680), (45360, 461104), (45824, 456435), (46368, 451080), (47040, 444636), (48330, 432768), (48384, 432285), (49404, 423360), (49680, 421008), (50120, 417312), (50715, 412416), (51520, 405972), (51552, 405720), (51840, 403466), (52164, 400960), (52626, 397440), (52920, 395232), (52992, 394695), (54096, 386640), (56385, 370944), (56448, 370530), (57280, 365148), (57638, 362880), (57960, 360864), (57996, 360640), (59616, 350840), (60144, 347760), (60480, 345828), (60858, 343680), (61755, 338688), (61824, 338310), (62720, 333477), (63504, 329360), (64440, 324576), (65205, 320768), (65872, 317520), (66240, 315756), (67620, 309312), (67662, 309120), (68736, 304290), (69552, 300720), (70168, 298080), (70560, 296424), (72128, 289980), (72495, 288512), (72576, 288190), (74106, 282240), (74520, 280672), (75180, 278208), (77280, 270648), (77328, 270480), (78939, 264960), (79380, 263488), (79488, 263130), (80192, 260820), (80640, 259371), (81144, 257760), (82340, 254016), (84672, 247020), (85920, 243432), (86457, 241920), (86940, 240576), (87710, 238464), (88320, 236817), (90160, 231984), (90216, 231840), (90720, 230552), (91287, 229120), (92736, 225540), (94080, 222318), (96660, 216384), (98808, 211680), (99360, 210504), (100240, 208656), (101430, 206208), (101493, 206080), (103040, 202986), (103104, 202860), (103680, 201733), (104328, 200480), (105252, 198720), (105840, 197616), (108192, 193320), (111159, 188160), (112770, 185472), (112896, 185265), (114560, 182574), (115276, 181440), (115920, 180432), (115992, 180320), (119232, 175420), (120288, 173880), (120960, 172914), (121716, 171840), (123510, 169344), (123648, 169155), (127008, 164680), (128880, 162288), (130410, 160384), (131565, 158976), (131744, 158760), (132480, 157878), (135240, 154656), (135324, 154560), (137472, 152145), (139104, 150360), (140336, 149040), (141120, 148212), (144095, 145152), (144256, 144990)]