20498365440

素因数分解:

$2^{10}\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 880

約数和(自身を含む): 87883310592

約数和(自身を除く): 67384945152

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, 54, 56, 60, 63, 64, 69, 70, 72, 80, 81, 84, 90, 92, 96, 105, 108, 112, 115, 120, 126, 128, 135, 138, 140, 144, 160, 161, 162, 168, 180, 184, 189, 192, 207, 210, 216, 224, 230, 240, 252, 256, 270, 276, 280, 288, 307, 315, 320, 322, 324, 336, 345, 360, 368, 378, 384, 405, 414, 420, 432, 448, 460, 480, 483, 504, 512, 540, 552, 560, 567, 576, 614, 621, 630, 640, 644, 648, 672, 690, 720, 736, 756, 768, 805, 810, 828, 840, 864, 896, 920, 921, 945, 960, 966, 1008, 1024, 1035, 1080, 1104, 1120, 1134, 1152, 1228, 1242, 1260, 1280, 1288, 1296, 1344, 1380, 1440, 1449, 1472, 1512, 1535, 1536, 1610, 1620, 1656, 1680, 1728, 1792, 1840, 1842, 1863, 1890, 1920, 1932, 2016, 2070, 2149, 2160, 2208, 2240, 2268, 2304, 2415, 2456, 2484, 2520, 2560, 2576, 2592, 2688, 2760, 2763, 2835, 2880, 2898, 2944, 3024, 3070, 3072, 3105, 3220, 3240, 3312, 3360, 3456, 3584, 3680, 3684, 3726, 3780, 3840, 3864, 4032, 4140, 4298, 4320, 4347, 4416, 4480, 4536, 4605, 4608, 4830, 4912, 4968, 5040, 5120, 5152, 5184, 5376, 5520, 5526, 5670, 5760, 5796, 5888, 6048, 6140, 6210, 6440, 6447, 6480, 6624, 6720, 6912, 7061, 7168, 7245, 7360, 7368, 7452, 7560, 7680, 7728, 8064, 8280, 8289, 8596, 8640, 8694, 8832, 8960, 9072, 9210, 9216, 9315, 9660, 9824, 9936, 10080, 10304, 10368, 10745, 10752, 11040, 11052, 11340, 11520, 11592, 11776, 12096, 12280, 12420, 12880, 12894, 12960, 13041, 13248, 13440, 13815, 13824, 14122, 14490, 14720, 14736, 14904, 15120, 15360, 15456, 16128, 16560, 16578, 17192, 17280, 17388, 17664, 17920, 18144, 18420, 18630, 19320, 19341, 19648, 19872, 20160, 20608, 20736, 21183, 21490, 21504, 21735, 22080, 22104, 22680, 23040, 23184, 23552, 24192, 24560, 24840, 24867, 25760, 25788, 25920, 26082, 26496, 26880, 27630, 27648, 28244, 28980, 29440, 29472, 29808, 30240, 30912, 32235, 32256, 33120, 33156, 34384, 34560, 34776, 35305, 35328, 35840, 36288, 36840, 37260, 38640, 38682, 39296, 39744, 40320, 41216, 41445, 41472, 42366, 42980, 43470, 44160, 44208, 45360, 46080, 46368, 48384, 49120, 49427, 49680, 49734, 51520, 51576, 51840, 52164, 52992, 53760, 55260, 56488, 57960, 58023, 58880, 58944, 59616, 60480, 61824, 63549, 64470, 64512, 65205, 66240, 66312, 68768, 69120, 69552, 70610, 70656, 72576, 73680, 74520, 77280, 77364, 78592, 79488, 80640, 82432, 82890, 82944, 84732, 85960, 86940, 88320, 88416, 90720, 92736, 96705, 96768, 98240, 98854, 99360, 99468, 103040, 103152, 103680, 104328, 105915, 105984, 107520, 110520, 112976, 115920, 116046, 117760, 117888, 119232, 120960, 123648, 124335, 127098, 128940, 130410, 132480, 132624, 137536, 138240, 139104, 141220, 145152, 147360, 148281, 149040, 154560, 154728, 157184, 158976, 161280, 164864, 165780, 169464, 171920, 173880, 174069, 176640, 176832, 181440, 185472, 190647, 193410, 193536, 196480, 197708, 198720, 198936, 206080, 206304, 207360, 208656, 211830, 211968, 221040, 225952, 231840, 232092, 235776, 238464, 241920, 247135, 247296, 248670, 254196, 257880, 260820, 264960, 265248, 275072, 278208, 282440, 290115, 290304, 294720, 296562, 298080, 309120, 309456, 314368, 317745, 317952, 322560, 331560, 338928, 343840, 347760, 348138, 353280, 353664, 362880, 370944, 381294, 386820, 392960, 395416, 397440, 397872, 412160, 412608, 414720, 417312, 423660, 442080, 444843, 451904, 463680, 464184, 471552, 476928, 483840, 494270, 494592, 497340, 508392, 515760, 521640, 529920, 530496, 550144, 556416, 564880, 571941, 580230, 580608, 589440, 593124, 596160, 618240, 618912, 635490, 635904, 663120, 677856, 687680, 695520, 696276, 707328, 725760, 741405, 741888, 762588, 773640, 785920, 790832, 794880, 795744, 824320, 825216, 834624, 847320, 870345, 884160, 889686, 903808, 927360, 928368, 943104, 953235, 953856, 967680, 988540, 994680, 1016784, 1031520, 1043280, 1059840, 1060992, 1100288, 1112832, 1129760, 1143882, 1160460, 1178880, 1186248, 1192320, 1236480, 1237824, 1270980, 1326240, 1334529, 1355712, 1375360, 1391040, 1392552, 1414656, 1451520, 1482810, 1483776, 1525176, 1547280, 1571840, 1581664, 1589760, 1591488, 1650432, 1669248, 1694640, 1740690, 1768320, 1779372, 1807616, 1854720, 1856736, 1906470, 1907712, 1977080, 1989360, 2033568, 2063040, 2086560, 2121984, 2200576, 2224215, 2225664, 2259520, 2287764, 2320920, 2357760, 2372496, 2384640, 2472960, 2475648, 2541960, 2652480, 2669058, 2711424, 2750720, 2782080, 2785104, 2829312, 2859705, 2903040, 2965620, 3050352, 3094560, 3163328, 3179520, 3182976, 3300864, 3338496, 3389280, 3481380, 3536640, 3558744, 3615232, 3709440, 3713472, 3812940, 3954160, 3978720, 4003587, 4067136, 4126080, 4173120, 4243968, 4448430, 4451328, 4519040, 4575528, 4641840, 4715520, 4744992, 4769280, 4951296, 5083920, 5304960, 5338116, 5422848, 5501440, 5564160, 5570208, 5719410, 5931240, 6100704, 6189120, 6326656, 6365952, 6601728, 6672645, 6676992, 6778560, 6962760, 7073280, 7117488, 7230464, 7418880, 7426944, 7625880, 7908320, 7957440, 8007174, 8134272, 8252160, 8346240, 8487936, 8896860, 9038080, 9151056, 9283680, 9489984, 9538560, 9902592, 10167840, 10609920, 10676232, 10845696, 11002880, 11128320, 11140416, 11438820, 11862480, 12201408, 12378240, 12653312, 12731904, 13345290, 13353984, 13557120, 13925520, 14146560, 14234976, 14853888, 15251760, 15816640, 15914880, 16014348, 16268544, 16504320, 16692480, 17793720, 18076160, 18302112, 18567360, 18979968, 19805184, 20017935, 20335680, 21219840, 21352464, 21691392, 22256640, 22280832, 22877640, 23724960, 24402816, 24756480, 25306624, 25463808, 26690580, 27114240, 27851040, 28469952, 29707776, 30503520, 31633280, 31829760, 32028696, 32537088, 33008640, 33384960, 35587440, 36152320, 36604224, 37134720, 37959936, 40035870, 40671360, 42439680, 42704928, 44561664, 45755280, 47449920, 48805632, 49512960, 50613248, 53381160, 54228480, 55702080, 56939904, 59415552, 61007040, 63266560, 63659520, 64057392, 65074176, 66769920, 71174880, 73208448, 74269440, 75919872, 80071740, 81342720, 85409856, 89123328, 91510560, 94899840, 97611264, 99025920, 106762320, 108456960, 111404160, 113879808, 122014080, 126533120, 127319040, 128114784, 142349760, 146416896, 148538880, 151839744, 160143480, 162685440, 170819712, 178246656, 183021120, 189799680, 195222528, 213524640, 222808320, 227759616, 244028160, 253066240, 256229568, 284699520, 292833792, 297077760, 320286960, 325370880, 341639424, 366042240, 379599360, 427049280, 445616640, 455519232, 488056320, 512459136, 569399040, 585667584, 640573920, 683278848, 732084480, 759198720, 854098560, 891233280, 976112640, 1024918272, 1138798080, 1281147840, 1366557696, 1464168960, 1708197120, 2049836544, 2277596160, 2562295680, 2928337920, 3416394240, 4099673088, 5124591360, 6832788480, 10249182720, 20498365440]

約数ペア:

[(1, 20498365440), (2, 10249182720), (3, 6832788480), (4, 5124591360), (5, 4099673088), (6, 3416394240), (7, 2928337920), (8, 2562295680), (9, 2277596160), (10, 2049836544), (12, 1708197120), (14, 1464168960), (15, 1366557696), (16, 1281147840), (18, 1138798080), (20, 1024918272), (21, 976112640), (23, 891233280), (24, 854098560), (27, 759198720), (28, 732084480), (30, 683278848), (32, 640573920), (35, 585667584), (36, 569399040), (40, 512459136), (42, 488056320), (45, 455519232), (46, 445616640), (48, 427049280), (54, 379599360), (56, 366042240), (60, 341639424), (63, 325370880), (64, 320286960), (69, 297077760), (70, 292833792), (72, 284699520), (80, 256229568), (81, 253066240), (84, 244028160), (90, 227759616), (92, 222808320), (96, 213524640), (105, 195222528), (108, 189799680), (112, 183021120), (115, 178246656), (120, 170819712), (126, 162685440), (128, 160143480), (135, 151839744), (138, 148538880), (140, 146416896), (144, 142349760), (160, 128114784), (161, 127319040), (162, 126533120), (168, 122014080), (180, 113879808), (184, 111404160), (189, 108456960), (192, 106762320), (207, 99025920), (210, 97611264), (216, 94899840), (224, 91510560), (230, 89123328), (240, 85409856), (252, 81342720), (256, 80071740), (270, 75919872), (276, 74269440), (280, 73208448), (288, 71174880), (307, 66769920), (315, 65074176), (320, 64057392), (322, 63659520), (324, 63266560), (336, 61007040), (345, 59415552), (360, 56939904), (368, 55702080), (378, 54228480), (384, 53381160), (405, 50613248), (414, 49512960), (420, 48805632), (432, 47449920), (448, 45755280), (460, 44561664), (480, 42704928), (483, 42439680), (504, 40671360), (512, 40035870), (540, 37959936), (552, 37134720), (560, 36604224), (567, 36152320), (576, 35587440), (614, 33384960), (621, 33008640), (630, 32537088), (640, 32028696), (644, 31829760), (648, 31633280), (672, 30503520), (690, 29707776), (720, 28469952), (736, 27851040), (756, 27114240), (768, 26690580), (805, 25463808), (810, 25306624), (828, 24756480), (840, 24402816), (864, 23724960), (896, 22877640), (920, 22280832), (921, 22256640), (945, 21691392), (960, 21352464), (966, 21219840), (1008, 20335680), (1024, 20017935), (1035, 19805184), (1080, 18979968), (1104, 18567360), (1120, 18302112), (1134, 18076160), (1152, 17793720), (1228, 16692480), (1242, 16504320), (1260, 16268544), (1280, 16014348), (1288, 15914880), (1296, 15816640), (1344, 15251760), (1380, 14853888), (1440, 14234976), (1449, 14146560), (1472, 13925520), (1512, 13557120), (1535, 13353984), (1536, 13345290), (1610, 12731904), (1620, 12653312), (1656, 12378240), (1680, 12201408), (1728, 11862480), (1792, 11438820), (1840, 11140416), (1842, 11128320), (1863, 11002880), (1890, 10845696), (1920, 10676232), (1932, 10609920), (2016, 10167840), (2070, 9902592), (2149, 9538560), (2160, 9489984), (2208, 9283680), (2240, 9151056), (2268, 9038080), (2304, 8896860), (2415, 8487936), (2456, 8346240), (2484, 8252160), (2520, 8134272), (2560, 8007174), (2576, 7957440), (2592, 7908320), (2688, 7625880), (2760, 7426944), (2763, 7418880), (2835, 7230464), (2880, 7117488), (2898, 7073280), (2944, 6962760), (3024, 6778560), (3070, 6676992), (3072, 6672645), (3105, 6601728), (3220, 6365952), (3240, 6326656), (3312, 6189120), (3360, 6100704), (3456, 5931240), (3584, 5719410), (3680, 5570208), (3684, 5564160), (3726, 5501440), (3780, 5422848), (3840, 5338116), (3864, 5304960), (4032, 5083920), (4140, 4951296), (4298, 4769280), (4320, 4744992), (4347, 4715520), (4416, 4641840), (4480, 4575528), (4536, 4519040), (4605, 4451328), (4608, 4448430), (4830, 4243968), (4912, 4173120), (4968, 4126080), (5040, 4067136), (5120, 4003587), (5152, 3978720), (5184, 3954160), (5376, 3812940), (5520, 3713472), (5526, 3709440), (5670, 3615232), (5760, 3558744), (5796, 3536640), (5888, 3481380), (6048, 3389280), (6140, 3338496), (6210, 3300864), (6440, 3182976), (6447, 3179520), (6480, 3163328), (6624, 3094560), (6720, 3050352), (6912, 2965620), (7061, 2903040), (7168, 2859705), (7245, 2829312), (7360, 2785104), (7368, 2782080), (7452, 2750720), (7560, 2711424), (7680, 2669058), (7728, 2652480), (8064, 2541960), (8280, 2475648), (8289, 2472960), (8596, 2384640), (8640, 2372496), (8694, 2357760), (8832, 2320920), (8960, 2287764), (9072, 2259520), (9210, 2225664), (9216, 2224215), (9315, 2200576), (9660, 2121984), (9824, 2086560), (9936, 2063040), (10080, 2033568), (10304, 1989360), (10368, 1977080), (10745, 1907712), (10752, 1906470), (11040, 1856736), (11052, 1854720), (11340, 1807616), (11520, 1779372), (11592, 1768320), (11776, 1740690), (12096, 1694640), (12280, 1669248), (12420, 1650432), (12880, 1591488), (12894, 1589760), (12960, 1581664), (13041, 1571840), (13248, 1547280), (13440, 1525176), (13815, 1483776), (13824, 1482810), (14122, 1451520), (14490, 1414656), (14720, 1392552), (14736, 1391040), (14904, 1375360), (15120, 1355712), (15360, 1334529), (15456, 1326240), (16128, 1270980), (16560, 1237824), (16578, 1236480), (17192, 1192320), (17280, 1186248), (17388, 1178880), (17664, 1160460), (17920, 1143882), (18144, 1129760), (18420, 1112832), (18630, 1100288), (19320, 1060992), (19341, 1059840), (19648, 1043280), (19872, 1031520), (20160, 1016784), (20608, 994680), (20736, 988540), (21183, 967680), (21490, 953856), (21504, 953235), (21735, 943104), (22080, 928368), (22104, 927360), (22680, 903808), (23040, 889686), (23184, 884160), (23552, 870345), (24192, 847320), (24560, 834624), (24840, 825216), (24867, 824320), (25760, 795744), (25788, 794880), (25920, 790832), (26082, 785920), (26496, 773640), (26880, 762588), (27630, 741888), (27648, 741405), (28244, 725760), (28980, 707328), (29440, 696276), (29472, 695520), (29808, 687680), (30240, 677856), (30912, 663120), (32235, 635904), (32256, 635490), (33120, 618912), (33156, 618240), (34384, 596160), (34560, 593124), (34776, 589440), (35305, 580608), (35328, 580230), (35840, 571941), (36288, 564880), (36840, 556416), (37260, 550144), (38640, 530496), (38682, 529920), (39296, 521640), (39744, 515760), (40320, 508392), (41216, 497340), (41445, 494592), (41472, 494270), (42366, 483840), (42980, 476928), (43470, 471552), (44160, 464184), (44208, 463680), (45360, 451904), (46080, 444843), (46368, 442080), (48384, 423660), (49120, 417312), (49427, 414720), (49680, 412608), (49734, 412160), (51520, 397872), (51576, 397440), (51840, 395416), (52164, 392960), (52992, 386820), (53760, 381294), (55260, 370944), (56488, 362880), (57960, 353664), (58023, 353280), (58880, 348138), (58944, 347760), (59616, 343840), (60480, 338928), (61824, 331560), (63549, 322560), (64470, 317952), (64512, 317745), (65205, 314368), (66240, 309456), (66312, 309120), (68768, 298080), (69120, 296562), (69552, 294720), (70610, 290304), (70656, 290115), (72576, 282440), (73680, 278208), (74520, 275072), (77280, 265248), (77364, 264960), (78592, 260820), (79488, 257880), (80640, 254196), (82432, 248670), (82890, 247296), (82944, 247135), (84732, 241920), (85960, 238464), (86940, 235776), (88320, 232092), (88416, 231840), (90720, 225952), (92736, 221040), (96705, 211968), (96768, 211830), (98240, 208656), (98854, 207360), (99360, 206304), (99468, 206080), (103040, 198936), (103152, 198720), (103680, 197708), (104328, 196480), (105915, 193536), (105984, 193410), (107520, 190647), (110520, 185472), (112976, 181440), (115920, 176832), (116046, 176640), (117760, 174069), (117888, 173880), (119232, 171920), (120960, 169464), (123648, 165780), (124335, 164864), (127098, 161280), (128940, 158976), (130410, 157184), (132480, 154728), (132624, 154560), (137536, 149040), (138240, 148281), (139104, 147360), (141220, 145152)]