20378891520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:787

約数の個数: 576

約数和(自身を含む): 79158723840

約数和(自身を除く): 58779832320

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, 67, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 134, 135, 144, 156, 160, 180, 192, 195, 201, 208, 216, 234, 240, 256, 260, 268, 270, 288, 312, 320, 335, 351, 360, 384, 390, 402, 416, 432, 468, 480, 520, 536, 540, 576, 585, 603, 624, 640, 670, 677, 702, 720, 768, 780, 804, 832, 864, 871, 936, 960, 1005, 1040, 1072, 1080, 1152, 1170, 1206, 1248, 1280, 1340, 1354, 1404, 1440, 1560, 1608, 1664, 1728, 1742, 1755, 1809, 1872, 1920, 2010, 2031, 2080, 2144, 2160, 2304, 2340, 2412, 2496, 2613, 2680, 2708, 2808, 2880, 3015, 3120, 3216, 3328, 3385, 3456, 3484, 3510, 3618, 3744, 3840, 4020, 4062, 4160, 4288, 4320, 4355, 4680, 4824, 4992, 5226, 5360, 5416, 5616, 5760, 6030, 6093, 6240, 6432, 6770, 6912, 6968, 7020, 7236, 7488, 7839, 8040, 8124, 8320, 8576, 8640, 8710, 8801, 9045, 9360, 9648, 9984, 10155, 10452, 10720, 10832, 11232, 11520, 12060, 12186, 12480, 12864, 13065, 13540, 13936, 14040, 14472, 14976, 15678, 16080, 16248, 16640, 17152, 17280, 17420, 17602, 18090, 18279, 18720, 19296, 20310, 20904, 21440, 21664, 22464, 23517, 24120, 24372, 24960, 25728, 26130, 26403, 27080, 27872, 28080, 28944, 29952, 30465, 31356, 32160, 32496, 34560, 34840, 35204, 36180, 36558, 37440, 38592, 39195, 40620, 41808, 42880, 43328, 44005, 44928, 45359, 47034, 48240, 48744, 49920, 51456, 52260, 52806, 54160, 55744, 56160, 57888, 60930, 62712, 64320, 64992, 69680, 70408, 72360, 73116, 74880, 77184, 78390, 79209, 81240, 83616, 85760, 86656, 88010, 89856, 90718, 91395, 94068, 96480, 97488, 104520, 105612, 108320, 111488, 112320, 115776, 117585, 121860, 125424, 128640, 129984, 132015, 136077, 139360, 140816, 144720, 146232, 149760, 154368, 156780, 158418, 162480, 167232, 173312, 176020, 181436, 182790, 188136, 192960, 194976, 209040, 211224, 216640, 222976, 224640, 226795, 231552, 235170, 237627, 243720, 250848, 257280, 259968, 264030, 272154, 278720, 281632, 289440, 292464, 313560, 316836, 324960, 334464, 352040, 362872, 365580, 376272, 385920, 389952, 396045, 408231, 418080, 422448, 433280, 449280, 453590, 463104, 470340, 475254, 487440, 501696, 519936, 528060, 544308, 557440, 563264, 578880, 584928, 589667, 627120, 633672, 649920, 668928, 680385, 704080, 725744, 731160, 752544, 771840, 779904, 792090, 816462, 836160, 844896, 866560, 907180, 940680, 950508, 974880, 1003392, 1056120, 1088616, 1114880, 1126528, 1157760, 1169856, 1179334, 1188135, 1224693, 1254240, 1267344, 1299840, 1360770, 1408160, 1451488, 1462320, 1505088, 1559808, 1584180, 1632924, 1672320, 1689792, 1769001, 1814360, 1881360, 1901016, 1949760, 2006784, 2041155, 2112240, 2177232, 2253056, 2315520, 2339712, 2358668, 2376270, 2449386, 2508480, 2534688, 2599680, 2721540, 2816320, 2902976, 2924640, 2948335, 3010176, 3168360, 3265848, 3344640, 3379584, 3538002, 3628720, 3762720, 3802032, 3899520, 4082310, 4224480, 4354464, 4679424, 4717336, 4752540, 4898772, 5016960, 5069376, 5307003, 5443080, 5632640, 5805952, 5849280, 5896670, 6020352, 6123465, 6336720, 6531696, 6759168, 7076004, 7257440, 7525440, 7604064, 7799040, 8164620, 8448960, 8708928, 8845005, 9434672, 9505080, 9797544, 10033920, 10138752, 10614006, 10886160, 11265280, 11611904, 11698560, 11793340, 12246930, 12673440, 13063392, 14152008, 14514880, 15050880, 15208128, 15921009, 16329240, 16897920, 17417856, 17690010, 18869344, 19010160, 19595088, 20277504, 21228012, 21772320, 23397120, 23586680, 24493860, 25346880, 26126784, 26535015, 28304016, 29029760, 30101760, 30416256, 31842018, 32658480, 33795840, 34835712, 35380020, 37738688, 38020320, 39190176, 42456024, 43544640, 47173360, 48987720, 50693760, 52253568, 53070030, 56608032, 58059520, 60832512, 63684036, 65316960, 70760040, 75477376, 76040640, 78380352, 79605045, 84912048, 87089280, 94346720, 97975440, 101387520, 104507136, 106140060, 113216064, 127368072, 130633920, 141520080, 150954752, 152081280, 156760704, 159210090, 169824096, 174178560, 188693440, 195950880, 212280120, 226432128, 254736144, 261267840, 283040160, 304162560, 313521408, 318420180, 339648192, 377386880, 391901760, 424560240, 452864256, 509472288, 522535680, 566080320, 636840360, 679296384, 754773760, 783803520, 849120480, 1018944576, 1132160640, 1273680720, 1358592768, 1567607040, 1698240960, 2037889152, 2264321280, 2547361440, 3396481920, 4075778304, 5094722880, 6792963840, 10189445760, 20378891520]

約数ペア:

[(1, 20378891520), (2, 10189445760), (3, 6792963840), (4, 5094722880), (5, 4075778304), (6, 3396481920), (8, 2547361440), (9, 2264321280), (10, 2037889152), (12, 1698240960), (13, 1567607040), (15, 1358592768), (16, 1273680720), (18, 1132160640), (20, 1018944576), (24, 849120480), (26, 783803520), (27, 754773760), (30, 679296384), (32, 636840360), (36, 566080320), (39, 522535680), (40, 509472288), (45, 452864256), (48, 424560240), (52, 391901760), (54, 377386880), (60, 339648192), (64, 318420180), (65, 313521408), (67, 304162560), (72, 283040160), (78, 261267840), (80, 254736144), (90, 226432128), (96, 212280120), (104, 195950880), (108, 188693440), (117, 174178560), (120, 169824096), (128, 159210090), (130, 156760704), (134, 152081280), (135, 150954752), (144, 141520080), (156, 130633920), (160, 127368072), (180, 113216064), (192, 106140060), (195, 104507136), (201, 101387520), (208, 97975440), (216, 94346720), (234, 87089280), (240, 84912048), (256, 79605045), (260, 78380352), (268, 76040640), (270, 75477376), (288, 70760040), (312, 65316960), (320, 63684036), (335, 60832512), (351, 58059520), (360, 56608032), (384, 53070030), (390, 52253568), (402, 50693760), (416, 48987720), (432, 47173360), (468, 43544640), (480, 42456024), (520, 39190176), (536, 38020320), (540, 37738688), (576, 35380020), (585, 34835712), (603, 33795840), (624, 32658480), (640, 31842018), (670, 30416256), (677, 30101760), (702, 29029760), (720, 28304016), (768, 26535015), (780, 26126784), (804, 25346880), (832, 24493860), (864, 23586680), (871, 23397120), (936, 21772320), (960, 21228012), (1005, 20277504), (1040, 19595088), (1072, 19010160), (1080, 18869344), (1152, 17690010), (1170, 17417856), (1206, 16897920), (1248, 16329240), (1280, 15921009), (1340, 15208128), (1354, 15050880), (1404, 14514880), (1440, 14152008), (1560, 13063392), (1608, 12673440), (1664, 12246930), (1728, 11793340), (1742, 11698560), (1755, 11611904), (1809, 11265280), (1872, 10886160), (1920, 10614006), (2010, 10138752), (2031, 10033920), (2080, 9797544), (2144, 9505080), (2160, 9434672), (2304, 8845005), (2340, 8708928), (2412, 8448960), (2496, 8164620), (2613, 7799040), (2680, 7604064), (2708, 7525440), (2808, 7257440), (2880, 7076004), (3015, 6759168), (3120, 6531696), (3216, 6336720), (3328, 6123465), (3385, 6020352), (3456, 5896670), (3484, 5849280), (3510, 5805952), (3618, 5632640), (3744, 5443080), (3840, 5307003), (4020, 5069376), (4062, 5016960), (4160, 4898772), (4288, 4752540), (4320, 4717336), (4355, 4679424), (4680, 4354464), (4824, 4224480), (4992, 4082310), (5226, 3899520), (5360, 3802032), (5416, 3762720), (5616, 3628720), (5760, 3538002), (6030, 3379584), (6093, 3344640), (6240, 3265848), (6432, 3168360), (6770, 3010176), (6912, 2948335), (6968, 2924640), (7020, 2902976), (7236, 2816320), (7488, 2721540), (7839, 2599680), (8040, 2534688), (8124, 2508480), (8320, 2449386), (8576, 2376270), (8640, 2358668), (8710, 2339712), (8801, 2315520), (9045, 2253056), (9360, 2177232), (9648, 2112240), (9984, 2041155), (10155, 2006784), (10452, 1949760), (10720, 1901016), (10832, 1881360), (11232, 1814360), (11520, 1769001), (12060, 1689792), (12186, 1672320), (12480, 1632924), (12864, 1584180), (13065, 1559808), (13540, 1505088), (13936, 1462320), (14040, 1451488), (14472, 1408160), (14976, 1360770), (15678, 1299840), (16080, 1267344), (16248, 1254240), (16640, 1224693), (17152, 1188135), (17280, 1179334), (17420, 1169856), (17602, 1157760), (18090, 1126528), (18279, 1114880), (18720, 1088616), (19296, 1056120), (20310, 1003392), (20904, 974880), (21440, 950508), (21664, 940680), (22464, 907180), (23517, 866560), (24120, 844896), (24372, 836160), (24960, 816462), (25728, 792090), (26130, 779904), (26403, 771840), (27080, 752544), (27872, 731160), (28080, 725744), (28944, 704080), (29952, 680385), (30465, 668928), (31356, 649920), (32160, 633672), (32496, 627120), (34560, 589667), (34840, 584928), (35204, 578880), (36180, 563264), (36558, 557440), (37440, 544308), (38592, 528060), (39195, 519936), (40620, 501696), (41808, 487440), (42880, 475254), (43328, 470340), (44005, 463104), (44928, 453590), (45359, 449280), (47034, 433280), (48240, 422448), (48744, 418080), (49920, 408231), (51456, 396045), (52260, 389952), (52806, 385920), (54160, 376272), (55744, 365580), (56160, 362872), (57888, 352040), (60930, 334464), (62712, 324960), (64320, 316836), (64992, 313560), (69680, 292464), (70408, 289440), (72360, 281632), (73116, 278720), (74880, 272154), (77184, 264030), (78390, 259968), (79209, 257280), (81240, 250848), (83616, 243720), (85760, 237627), (86656, 235170), (88010, 231552), (89856, 226795), (90718, 224640), (91395, 222976), (94068, 216640), (96480, 211224), (97488, 209040), (104520, 194976), (105612, 192960), (108320, 188136), (111488, 182790), (112320, 181436), (115776, 176020), (117585, 173312), (121860, 167232), (125424, 162480), (128640, 158418), (129984, 156780), (132015, 154368), (136077, 149760), (139360, 146232), (140816, 144720)]