20715851520

素因数分解:

$2^8\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:998

約数の個数: 864

約数和(自身を含む): 92190450240

約数和(自身を除く): 71474598720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 147, 156, 160, 168, 180, 182, 189, 192, 195, 196, 208, 210, 216, 224, 234, 240, 245, 252, 256, 260, 270, 273, 280, 288, 294, 312, 315, 320, 336, 351, 360, 364, 378, 384, 390, 392, 416, 420, 432, 441, 448, 455, 468, 480, 490, 504, 520, 540, 546, 560, 576, 585, 588, 624, 630, 637, 640, 672, 702, 720, 728, 735, 756, 768, 780, 784, 819, 832, 840, 864, 882, 896, 910, 936, 941, 945, 960, 980, 1008, 1040, 1080, 1092, 1120, 1152, 1170, 1176, 1248, 1260, 1274, 1280, 1323, 1344, 1365, 1404, 1440, 1456, 1470, 1512, 1560, 1568, 1638, 1664, 1680, 1728, 1755, 1764, 1792, 1820, 1872, 1882, 1890, 1911, 1920, 1960, 2016, 2080, 2160, 2184, 2205, 2240, 2304, 2340, 2352, 2457, 2496, 2520, 2548, 2646, 2688, 2730, 2808, 2823, 2880, 2912, 2940, 3024, 3120, 3136, 3185, 3276, 3328, 3360, 3456, 3510, 3528, 3640, 3744, 3764, 3780, 3822, 3840, 3920, 4032, 4095, 4160, 4320, 4368, 4410, 4480, 4680, 4704, 4705, 4914, 4992, 5040, 5096, 5292, 5376, 5460, 5616, 5646, 5733, 5760, 5824, 5880, 6048, 6240, 6272, 6370, 6552, 6587, 6615, 6720, 6912, 7020, 7056, 7280, 7488, 7528, 7560, 7644, 7840, 8064, 8190, 8320, 8469, 8640, 8736, 8820, 8960, 9360, 9408, 9410, 9555, 9828, 9984, 10080, 10192, 10584, 10920, 11232, 11292, 11466, 11520, 11648, 11760, 12096, 12233, 12285, 12480, 12544, 12740, 13104, 13174, 13230, 13440, 14040, 14112, 14115, 14560, 14976, 15056, 15120, 15288, 15680, 16128, 16380, 16640, 16938, 17199, 17280, 17472, 17640, 18720, 18816, 18820, 19110, 19656, 19761, 20160, 20384, 21168, 21840, 22464, 22584, 22932, 23296, 23520, 24192, 24466, 24570, 24960, 25407, 25480, 26208, 26348, 26460, 26880, 28080, 28224, 28230, 28665, 29120, 29952, 30112, 30240, 30576, 31360, 32760, 32935, 33876, 34398, 34560, 34944, 35280, 36699, 37440, 37632, 37640, 38220, 39312, 39522, 40320, 40768, 42336, 42345, 43680, 44928, 45168, 45864, 46109, 47040, 48384, 48932, 49140, 49920, 50814, 50960, 52416, 52696, 52920, 56160, 56448, 56460, 57330, 58240, 59283, 60224, 60480, 61152, 61165, 62720, 65520, 65870, 67752, 68796, 69888, 70560, 73398, 74880, 75280, 76440, 78624, 79044, 80640, 81536, 84672, 84690, 85631, 85995, 87360, 89856, 90336, 91728, 92218, 94080, 97864, 98280, 98805, 101628, 101920, 104832, 105392, 105840, 110097, 112320, 112896, 112920, 114660, 116480, 118566, 120448, 120960, 122304, 122330, 127035, 131040, 131740, 135504, 137592, 138327, 141120, 146796, 149760, 150560, 152880, 157248, 158088, 163072, 169344, 169380, 171262, 171990, 174720, 177849, 180672, 183456, 183495, 184436, 188160, 195728, 196560, 197610, 203256, 203840, 209664, 210784, 211680, 220194, 224640, 225840, 229320, 230545, 237132, 240896, 241920, 244608, 244660, 254070, 256893, 262080, 263480, 271008, 275184, 276654, 282240, 293592, 296415, 301120, 305760, 314496, 316176, 330291, 338688, 338760, 342524, 343980, 349440, 355698, 361344, 366912, 366990, 368872, 391456, 393120, 395220, 406512, 407680, 414981, 421568, 423360, 428155, 440388, 449280, 451680, 458640, 461090, 474264, 489216, 489320, 508140, 513786, 524160, 526960, 542016, 550368, 550485, 553308, 564480, 587184, 592830, 599417, 602240, 611520, 628992, 632352, 660582, 677520, 685048, 687960, 691635, 711396, 722688, 733824, 733980, 737744, 770679, 782912, 786240, 790440, 813024, 815360, 829962, 843136, 846720, 856310, 880776, 889245, 903360, 917280, 922180, 948528, 978640, 1016280, 1027572, 1048320, 1053920, 1084032, 1100736, 1100970, 1106616, 1174368, 1185660, 1198834, 1204480, 1223040, 1244943, 1264704, 1284465, 1321164, 1355040, 1370096, 1375920, 1383270, 1422792, 1467648, 1467960, 1475488, 1541358, 1565824, 1572480, 1580880, 1626048, 1651455, 1659924, 1686272, 1693440, 1712620, 1761552, 1778490, 1798251, 1806720, 1834560, 1844360, 1897056, 1957280, 2032560, 2055144, 2074905, 2107840, 2168064, 2201472, 2201940, 2213232, 2312037, 2348736, 2371320, 2397668, 2446080, 2489886, 2529408, 2568930, 2642328, 2710080, 2740192, 2751840, 2766540, 2845584, 2935920, 2950976, 2997085, 3082716, 3131648, 3144960, 3161760, 3252096, 3302910, 3319848, 3425240, 3523104, 3556980, 3596502, 3613440, 3669120, 3688720, 3794112, 3853395, 3914560, 4065120, 4110288, 4149810, 4215680, 4402944, 4403880, 4426464, 4624074, 4697472, 4742640, 4795336, 4979772, 5058816, 5137860, 5284656, 5394753, 5420160, 5480384, 5503680, 5533080, 5691168, 5871840, 5901952, 5994170, 6165432, 6224715, 6323520, 6504192, 6605820, 6639696, 6850480, 7046208, 7113960, 7193004, 7338240, 7377440, 7588224, 7706790, 7829120, 8130240, 8220576, 8299620, 8431360, 8807760, 8852928, 8991255, 9248148, 9394944, 9485280, 9590672, 9959544, 10275720, 10569312, 10789506, 10840320, 10960768, 11007360, 11066160, 11382336, 11560185, 11743680, 11803904, 11988340, 12330864, 12449430, 12647040, 13211640, 13279392, 13700960, 14092416, 14227920, 14386008, 14754880, 15176448, 15413580, 15658240, 16184259, 16260480, 16441152, 16599240, 17615520, 17705856, 17982510, 18496296, 18970560, 19181344, 19919088, 20551440, 21138624, 21579012, 21921536, 22014720, 22132320, 22764672, 23120370, 23487360, 23976680, 24661728, 24898860, 25294080, 26423280, 26558784, 26973765, 27401920, 28184832, 28455840, 28772016, 29509760, 30827160, 32368518, 32520960, 32882304, 33198480, 35231040, 35411712, 35965020, 36992592, 37941120, 38362688, 39838176, 41102880, 42277248, 43158024, 44264640, 45529344, 46240740, 46974720, 47953360, 49323456, 49797720, 52846560, 53117568, 53947530, 54803840, 56911680, 57544032, 59019520, 61654320, 64737036, 65764608, 66396960, 70462080, 71930040, 73985184, 75882240, 76725376, 79676352, 80921295, 82205760, 84554496, 86316048, 88529280, 92481480, 95906720, 98646912, 99595440, 105693120, 106235136, 107895060, 109607680, 113823360, 115088064, 123308640, 129474072, 132793920, 140924160, 143860080, 147970368, 153450752, 159352704, 161842590, 164411520, 172632096, 177058560, 184962960, 191813440, 197293824, 199190880, 211386240, 215790120, 227646720, 230176128, 246617280, 258948144, 265587840, 287720160, 295940736, 318705408, 323685180, 328823040, 345264192, 369925920, 383626880, 398381760, 422772480, 431580240, 460352256, 493234560, 517896288, 531175680, 575440320, 591881472, 647370360, 690528384, 739851840, 767253760, 796763520, 863160480, 986469120, 1035792576, 1150880640, 1294740720, 1381056768, 1479703680, 1593527040, 1726320960, 2071585152, 2301761280, 2589481440, 2959407360, 3452641920, 4143170304, 5178962880, 6905283840, 10357925760, 20715851520]

約数ペア:

[(1, 20715851520), (2, 10357925760), (3, 6905283840), (4, 5178962880), (5, 4143170304), (6, 3452641920), (7, 2959407360), (8, 2589481440), (9, 2301761280), (10, 2071585152), (12, 1726320960), (13, 1593527040), (14, 1479703680), (15, 1381056768), (16, 1294740720), (18, 1150880640), (20, 1035792576), (21, 986469120), (24, 863160480), (26, 796763520), (27, 767253760), (28, 739851840), (30, 690528384), (32, 647370360), (35, 591881472), (36, 575440320), (39, 531175680), (40, 517896288), (42, 493234560), (45, 460352256), (48, 431580240), (49, 422772480), (52, 398381760), (54, 383626880), (56, 369925920), (60, 345264192), (63, 328823040), (64, 323685180), (65, 318705408), (70, 295940736), (72, 287720160), (78, 265587840), (80, 258948144), (84, 246617280), (90, 230176128), (91, 227646720), (96, 215790120), (98, 211386240), (104, 199190880), (105, 197293824), (108, 191813440), (112, 184962960), (117, 177058560), (120, 172632096), (126, 164411520), (128, 161842590), (130, 159352704), (135, 153450752), (140, 147970368), (144, 143860080), (147, 140924160), (156, 132793920), (160, 129474072), (168, 123308640), (180, 115088064), (182, 113823360), (189, 109607680), (192, 107895060), (195, 106235136), (196, 105693120), (208, 99595440), (210, 98646912), (216, 95906720), (224, 92481480), (234, 88529280), (240, 86316048), (245, 84554496), (252, 82205760), (256, 80921295), (260, 79676352), (270, 76725376), (273, 75882240), (280, 73985184), (288, 71930040), (294, 70462080), (312, 66396960), (315, 65764608), (320, 64737036), (336, 61654320), (351, 59019520), (360, 57544032), (364, 56911680), (378, 54803840), (384, 53947530), (390, 53117568), (392, 52846560), (416, 49797720), (420, 49323456), (432, 47953360), (441, 46974720), (448, 46240740), (455, 45529344), (468, 44264640), (480, 43158024), (490, 42277248), (504, 41102880), (520, 39838176), (540, 38362688), (546, 37941120), (560, 36992592), (576, 35965020), (585, 35411712), (588, 35231040), (624, 33198480), (630, 32882304), (637, 32520960), (640, 32368518), (672, 30827160), (702, 29509760), (720, 28772016), (728, 28455840), (735, 28184832), (756, 27401920), (768, 26973765), (780, 26558784), (784, 26423280), (819, 25294080), (832, 24898860), (840, 24661728), (864, 23976680), (882, 23487360), (896, 23120370), (910, 22764672), (936, 22132320), (941, 22014720), (945, 21921536), (960, 21579012), (980, 21138624), (1008, 20551440), (1040, 19919088), (1080, 19181344), (1092, 18970560), (1120, 18496296), (1152, 17982510), (1170, 17705856), (1176, 17615520), (1248, 16599240), (1260, 16441152), (1274, 16260480), (1280, 16184259), (1323, 15658240), (1344, 15413580), (1365, 15176448), (1404, 14754880), (1440, 14386008), (1456, 14227920), (1470, 14092416), (1512, 13700960), (1560, 13279392), (1568, 13211640), (1638, 12647040), (1664, 12449430), (1680, 12330864), (1728, 11988340), (1755, 11803904), (1764, 11743680), (1792, 11560185), (1820, 11382336), (1872, 11066160), (1882, 11007360), (1890, 10960768), (1911, 10840320), (1920, 10789506), (1960, 10569312), (2016, 10275720), (2080, 9959544), (2160, 9590672), (2184, 9485280), (2205, 9394944), (2240, 9248148), (2304, 8991255), (2340, 8852928), (2352, 8807760), (2457, 8431360), (2496, 8299620), (2520, 8220576), (2548, 8130240), (2646, 7829120), (2688, 7706790), (2730, 7588224), (2808, 7377440), (2823, 7338240), (2880, 7193004), (2912, 7113960), (2940, 7046208), (3024, 6850480), (3120, 6639696), (3136, 6605820), (3185, 6504192), (3276, 6323520), (3328, 6224715), (3360, 6165432), (3456, 5994170), (3510, 5901952), (3528, 5871840), (3640, 5691168), (3744, 5533080), (3764, 5503680), (3780, 5480384), (3822, 5420160), (3840, 5394753), (3920, 5284656), (4032, 5137860), (4095, 5058816), (4160, 4979772), (4320, 4795336), (4368, 4742640), (4410, 4697472), (4480, 4624074), (4680, 4426464), (4704, 4403880), (4705, 4402944), (4914, 4215680), (4992, 4149810), (5040, 4110288), (5096, 4065120), (5292, 3914560), (5376, 3853395), (5460, 3794112), (5616, 3688720), (5646, 3669120), (5733, 3613440), (5760, 3596502), (5824, 3556980), (5880, 3523104), (6048, 3425240), (6240, 3319848), (6272, 3302910), (6370, 3252096), (6552, 3161760), (6587, 3144960), (6615, 3131648), (6720, 3082716), (6912, 2997085), (7020, 2950976), (7056, 2935920), (7280, 2845584), (7488, 2766540), (7528, 2751840), (7560, 2740192), (7644, 2710080), (7840, 2642328), (8064, 2568930), (8190, 2529408), (8320, 2489886), (8469, 2446080), (8640, 2397668), (8736, 2371320), (8820, 2348736), (8960, 2312037), (9360, 2213232), (9408, 2201940), (9410, 2201472), (9555, 2168064), (9828, 2107840), (9984, 2074905), (10080, 2055144), (10192, 2032560), (10584, 1957280), (10920, 1897056), (11232, 1844360), (11292, 1834560), (11466, 1806720), (11520, 1798251), (11648, 1778490), (11760, 1761552), (12096, 1712620), (12233, 1693440), (12285, 1686272), (12480, 1659924), (12544, 1651455), (12740, 1626048), (13104, 1580880), (13174, 1572480), (13230, 1565824), (13440, 1541358), (14040, 1475488), (14112, 1467960), (14115, 1467648), (14560, 1422792), (14976, 1383270), (15056, 1375920), (15120, 1370096), (15288, 1355040), (15680, 1321164), (16128, 1284465), (16380, 1264704), (16640, 1244943), (16938, 1223040), (17199, 1204480), (17280, 1198834), (17472, 1185660), (17640, 1174368), (18720, 1106616), (18816, 1100970), (18820, 1100736), (19110, 1084032), (19656, 1053920), (19761, 1048320), (20160, 1027572), (20384, 1016280), (21168, 978640), (21840, 948528), (22464, 922180), (22584, 917280), (22932, 903360), (23296, 889245), (23520, 880776), (24192, 856310), (24466, 846720), (24570, 843136), (24960, 829962), (25407, 815360), (25480, 813024), (26208, 790440), (26348, 786240), (26460, 782912), (26880, 770679), (28080, 737744), (28224, 733980), (28230, 733824), (28665, 722688), (29120, 711396), (29952, 691635), (30112, 687960), (30240, 685048), (30576, 677520), (31360, 660582), (32760, 632352), (32935, 628992), (33876, 611520), (34398, 602240), (34560, 599417), (34944, 592830), (35280, 587184), (36699, 564480), (37440, 553308), (37632, 550485), (37640, 550368), (38220, 542016), (39312, 526960), (39522, 524160), (40320, 513786), (40768, 508140), (42336, 489320), (42345, 489216), (43680, 474264), (44928, 461090), (45168, 458640), (45864, 451680), (46109, 449280), (47040, 440388), (48384, 428155), (48932, 423360), (49140, 421568), (49920, 414981), (50814, 407680), (50960, 406512), (52416, 395220), (52696, 393120), (52920, 391456), (56160, 368872), (56448, 366990), (56460, 366912), (57330, 361344), (58240, 355698), (59283, 349440), (60224, 343980), (60480, 342524), (61152, 338760), (61165, 338688), (62720, 330291), (65520, 316176), (65870, 314496), (67752, 305760), (68796, 301120), (69888, 296415), (70560, 293592), (73398, 282240), (74880, 276654), (75280, 275184), (76440, 271008), (78624, 263480), (79044, 262080), (80640, 256893), (81536, 254070), (84672, 244660), (84690, 244608), (85631, 241920), (85995, 240896), (87360, 237132), (89856, 230545), (90336, 229320), (91728, 225840), (92218, 224640), (94080, 220194), (97864, 211680), (98280, 210784), (98805, 209664), (101628, 203840), (101920, 203256), (104832, 197610), (105392, 196560), (105840, 195728), (110097, 188160), (112320, 184436), (112896, 183495), (112920, 183456), (114660, 180672), (116480, 177849), (118566, 174720), (120448, 171990), (120960, 171262), (122304, 169380), (122330, 169344), (127035, 163072), (131040, 158088), (131740, 157248), (135504, 152880), (137592, 150560), (138327, 149760), (141120, 146796)]