20001271680

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 576

約数和(自身を含む): 77660266320

約数和(自身を除く): 57658994640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 169, 180, 192, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 320, 324, 338, 351, 360, 384, 390, 405, 416, 432, 468, 480, 486, 507, 520, 540, 576, 585, 624, 640, 648, 676, 702, 720, 761, 780, 810, 832, 845, 864, 936, 960, 972, 1014, 1040, 1053, 1080, 1152, 1170, 1215, 1248, 1296, 1352, 1404, 1440, 1521, 1522, 1560, 1620, 1664, 1690, 1728, 1755, 1872, 1920, 1944, 2028, 2080, 2106, 2160, 2283, 2340, 2430, 2496, 2535, 2592, 2704, 2808, 2880, 3042, 3044, 3120, 3159, 3240, 3380, 3456, 3510, 3744, 3805, 3888, 4056, 4160, 4212, 4320, 4563, 4566, 4680, 4860, 4992, 5070, 5184, 5265, 5408, 5616, 5760, 6084, 6088, 6240, 6318, 6480, 6760, 6849, 7020, 7488, 7605, 7610, 7776, 8112, 8320, 8424, 8640, 9126, 9132, 9360, 9720, 9893, 10140, 10368, 10530, 10816, 11232, 11415, 12168, 12176, 12480, 12636, 12960, 13520, 13689, 13698, 14040, 14976, 15210, 15220, 15552, 15795, 16224, 16848, 17280, 18252, 18264, 18720, 19440, 19786, 20280, 20547, 21060, 21632, 22464, 22815, 22830, 24336, 24352, 24960, 25272, 25920, 27040, 27378, 27396, 28080, 29679, 30420, 30440, 31104, 31590, 32448, 33696, 34245, 36504, 36528, 37440, 38880, 39572, 40560, 41067, 41094, 42120, 44928, 45630, 45660, 48672, 48704, 49465, 50544, 51840, 54080, 54756, 54792, 56160, 59358, 60840, 60880, 61641, 63180, 64896, 67392, 68445, 68490, 73008, 73056, 74880, 77760, 79144, 81120, 82134, 82188, 84240, 89037, 91260, 91320, 97344, 97408, 98930, 101088, 102735, 108160, 109512, 109584, 112320, 118716, 121680, 121760, 123282, 126360, 128609, 134784, 136890, 136980, 146016, 146112, 148395, 155520, 158288, 162240, 164268, 164376, 168480, 178074, 182520, 182640, 184923, 194688, 197860, 202176, 205335, 205470, 219024, 219168, 224640, 237432, 243360, 243520, 246564, 252720, 257218, 267111, 273780, 273960, 292032, 292224, 296790, 308205, 316576, 324480, 328536, 328752, 336960, 356148, 365040, 365280, 369846, 385827, 395720, 404352, 410670, 410940, 438048, 438336, 445185, 474864, 486720, 487040, 493128, 505440, 514436, 534222, 547560, 547920, 584064, 593580, 616410, 633152, 643045, 657072, 657504, 673920, 712296, 730080, 730560, 739692, 771654, 791440, 801333, 821340, 821880, 876096, 876672, 890370, 924615, 949728, 973440, 986256, 1010880, 1028872, 1068444, 1095120, 1095840, 1157481, 1187160, 1232820, 1266304, 1286090, 1314144, 1315008, 1335555, 1424592, 1460160, 1461120, 1479384, 1543308, 1582880, 1602666, 1642680, 1643760, 1752192, 1780740, 1849230, 1899456, 1929135, 1972512, 2021760, 2057744, 2136888, 2190240, 2191680, 2314962, 2374320, 2403999, 2465640, 2572180, 2628288, 2630016, 2671110, 2849184, 2920320, 2958768, 3086616, 3165760, 3205332, 3285360, 3287520, 3472443, 3561480, 3698460, 3798912, 3858270, 3945024, 4006665, 4115488, 4273776, 4380480, 4383360, 4629924, 4748640, 4807998, 4931280, 5144360, 5256576, 5342220, 5698368, 5787405, 5917536, 6173232, 6331520, 6410664, 6570720, 6575040, 6944886, 7122960, 7396920, 7716540, 7890048, 8013330, 8230976, 8547552, 8760960, 9259848, 9497280, 9615996, 9862560, 10288720, 10417329, 10684440, 11396736, 11574810, 11835072, 12019995, 12346464, 12821328, 13141440, 13150080, 13889772, 14245920, 14793840, 15433080, 16026660, 16461952, 17095104, 17362215, 18519696, 18994560, 19231992, 19725120, 20577440, 20834658, 21368880, 23149620, 23670144, 24039990, 24692928, 25642656, 26282880, 27779544, 28491840, 29587680, 30866160, 31251987, 32053320, 34190208, 34724430, 37039392, 38463984, 39450240, 41154880, 41669316, 42737760, 46299240, 48079980, 49385856, 51285312, 52086645, 55559088, 56983680, 59175360, 61732320, 62503974, 64106640, 69448860, 74078784, 76927968, 82309760, 83338632, 85475520, 92598480, 96159960, 102570624, 104173290, 111118176, 118350720, 123464640, 125007948, 128213280, 138897720, 148157568, 153855936, 156259935, 166677264, 170951040, 185196960, 192319920, 208346580, 222236352, 246929280, 250015896, 256426560, 277795440, 307711872, 312519870, 333354528, 370393920, 384639840, 416693160, 444472704, 500031792, 512853120, 555590880, 625039740, 666709056, 740787840, 769279680, 833386320, 1000063584, 1111181760, 1250079480, 1333418112, 1538559360, 1666772640, 2000127168, 2222363520, 2500158960, 3333545280, 4000254336, 5000317920, 6667090560, 10000635840, 20001271680]

約数ペア:

[(1, 20001271680), (2, 10000635840), (3, 6667090560), (4, 5000317920), (5, 4000254336), (6, 3333545280), (8, 2500158960), (9, 2222363520), (10, 2000127168), (12, 1666772640), (13, 1538559360), (15, 1333418112), (16, 1250079480), (18, 1111181760), (20, 1000063584), (24, 833386320), (26, 769279680), (27, 740787840), (30, 666709056), (32, 625039740), (36, 555590880), (39, 512853120), (40, 500031792), (45, 444472704), (48, 416693160), (52, 384639840), (54, 370393920), (60, 333354528), (64, 312519870), (65, 307711872), (72, 277795440), (78, 256426560), (80, 250015896), (81, 246929280), (90, 222236352), (96, 208346580), (104, 192319920), (108, 185196960), (117, 170951040), (120, 166677264), (128, 156259935), (130, 153855936), (135, 148157568), (144, 138897720), (156, 128213280), (160, 125007948), (162, 123464640), (169, 118350720), (180, 111118176), (192, 104173290), (195, 102570624), (208, 96159960), (216, 92598480), (234, 85475520), (240, 83338632), (243, 82309760), (260, 76927968), (270, 74078784), (288, 69448860), (312, 64106640), (320, 62503974), (324, 61732320), (338, 59175360), (351, 56983680), (360, 55559088), (384, 52086645), (390, 51285312), (405, 49385856), (416, 48079980), (432, 46299240), (468, 42737760), (480, 41669316), (486, 41154880), (507, 39450240), (520, 38463984), (540, 37039392), (576, 34724430), (585, 34190208), (624, 32053320), (640, 31251987), (648, 30866160), (676, 29587680), (702, 28491840), (720, 27779544), (761, 26282880), (780, 25642656), (810, 24692928), (832, 24039990), (845, 23670144), (864, 23149620), (936, 21368880), (960, 20834658), (972, 20577440), (1014, 19725120), (1040, 19231992), (1053, 18994560), (1080, 18519696), (1152, 17362215), (1170, 17095104), (1215, 16461952), (1248, 16026660), (1296, 15433080), (1352, 14793840), (1404, 14245920), (1440, 13889772), (1521, 13150080), (1522, 13141440), (1560, 12821328), (1620, 12346464), (1664, 12019995), (1690, 11835072), (1728, 11574810), (1755, 11396736), (1872, 10684440), (1920, 10417329), (1944, 10288720), (2028, 9862560), (2080, 9615996), (2106, 9497280), (2160, 9259848), (2283, 8760960), (2340, 8547552), (2430, 8230976), (2496, 8013330), (2535, 7890048), (2592, 7716540), (2704, 7396920), (2808, 7122960), (2880, 6944886), (3042, 6575040), (3044, 6570720), (3120, 6410664), (3159, 6331520), (3240, 6173232), (3380, 5917536), (3456, 5787405), (3510, 5698368), (3744, 5342220), (3805, 5256576), (3888, 5144360), (4056, 4931280), (4160, 4807998), (4212, 4748640), (4320, 4629924), (4563, 4383360), (4566, 4380480), (4680, 4273776), (4860, 4115488), (4992, 4006665), (5070, 3945024), (5184, 3858270), (5265, 3798912), (5408, 3698460), (5616, 3561480), (5760, 3472443), (6084, 3287520), (6088, 3285360), (6240, 3205332), (6318, 3165760), (6480, 3086616), (6760, 2958768), (6849, 2920320), (7020, 2849184), (7488, 2671110), (7605, 2630016), (7610, 2628288), (7776, 2572180), (8112, 2465640), (8320, 2403999), (8424, 2374320), (8640, 2314962), (9126, 2191680), (9132, 2190240), (9360, 2136888), (9720, 2057744), (9893, 2021760), (10140, 1972512), (10368, 1929135), (10530, 1899456), (10816, 1849230), (11232, 1780740), (11415, 1752192), (12168, 1643760), (12176, 1642680), (12480, 1602666), (12636, 1582880), (12960, 1543308), (13520, 1479384), (13689, 1461120), (13698, 1460160), (14040, 1424592), (14976, 1335555), (15210, 1315008), (15220, 1314144), (15552, 1286090), (15795, 1266304), (16224, 1232820), (16848, 1187160), (17280, 1157481), (18252, 1095840), (18264, 1095120), (18720, 1068444), (19440, 1028872), (19786, 1010880), (20280, 986256), (20547, 973440), (21060, 949728), (21632, 924615), (22464, 890370), (22815, 876672), (22830, 876096), (24336, 821880), (24352, 821340), (24960, 801333), (25272, 791440), (25920, 771654), (27040, 739692), (27378, 730560), (27396, 730080), (28080, 712296), (29679, 673920), (30420, 657504), (30440, 657072), (31104, 643045), (31590, 633152), (32448, 616410), (33696, 593580), (34245, 584064), (36504, 547920), (36528, 547560), (37440, 534222), (38880, 514436), (39572, 505440), (40560, 493128), (41067, 487040), (41094, 486720), (42120, 474864), (44928, 445185), (45630, 438336), (45660, 438048), (48672, 410940), (48704, 410670), (49465, 404352), (50544, 395720), (51840, 385827), (54080, 369846), (54756, 365280), (54792, 365040), (56160, 356148), (59358, 336960), (60840, 328752), (60880, 328536), (61641, 324480), (63180, 316576), (64896, 308205), (67392, 296790), (68445, 292224), (68490, 292032), (73008, 273960), (73056, 273780), (74880, 267111), (77760, 257218), (79144, 252720), (81120, 246564), (82134, 243520), (82188, 243360), (84240, 237432), (89037, 224640), (91260, 219168), (91320, 219024), (97344, 205470), (97408, 205335), (98930, 202176), (101088, 197860), (102735, 194688), (108160, 184923), (109512, 182640), (109584, 182520), (112320, 178074), (118716, 168480), (121680, 164376), (121760, 164268), (123282, 162240), (126360, 158288), (128609, 155520), (134784, 148395), (136890, 146112), (136980, 146016)]