20715678720

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 880

約数和(自身を含む): 85600627200

約数和(自身を除く): 64884948480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 32, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 60, 64, 66, 72, 76, 80, 81, 88, 90, 95, 96, 99, 108, 110, 114, 120, 128, 132, 135, 144, 152, 160, 162, 165, 171, 176, 180, 190, 192, 198, 209, 216, 220, 228, 239, 240, 256, 264, 270, 285, 288, 297, 304, 320, 324, 330, 342, 352, 360, 380, 384, 396, 405, 418, 432, 440, 456, 478, 480, 495, 512, 513, 528, 540, 570, 576, 594, 608, 627, 640, 648, 660, 684, 704, 717, 720, 760, 768, 792, 810, 836, 855, 864, 880, 891, 912, 956, 960, 990, 1024, 1026, 1045, 1056, 1080, 1140, 1152, 1188, 1195, 1216, 1254, 1280, 1296, 1320, 1368, 1408, 1434, 1440, 1485, 1520, 1536, 1539, 1584, 1620, 1672, 1710, 1728, 1760, 1782, 1824, 1881, 1912, 1920, 1980, 2052, 2090, 2112, 2151, 2160, 2280, 2304, 2376, 2390, 2432, 2508, 2560, 2565, 2592, 2629, 2640, 2736, 2816, 2868, 2880, 2970, 3040, 3072, 3078, 3135, 3168, 3240, 3344, 3420, 3456, 3520, 3564, 3585, 3648, 3762, 3824, 3840, 3960, 4104, 4180, 4224, 4302, 4320, 4455, 4541, 4560, 4608, 4752, 4780, 4864, 5016, 5120, 5130, 5184, 5258, 5280, 5472, 5632, 5643, 5736, 5760, 5940, 6080, 6156, 6270, 6336, 6453, 6480, 6688, 6840, 6912, 7040, 7128, 7170, 7296, 7524, 7648, 7680, 7695, 7887, 7920, 8208, 8360, 8448, 8604, 8640, 8910, 9082, 9120, 9216, 9405, 9504, 9560, 9728, 10032, 10260, 10368, 10516, 10560, 10755, 10944, 11264, 11286, 11472, 11520, 11880, 12160, 12312, 12540, 12672, 12906, 12960, 13145, 13376, 13623, 13680, 13824, 14080, 14256, 14340, 14592, 15048, 15296, 15360, 15390, 15774, 15840, 16416, 16720, 16896, 16929, 17208, 17280, 17820, 18164, 18240, 18810, 19008, 19120, 19359, 19456, 20064, 20520, 20736, 21032, 21120, 21510, 21888, 22572, 22705, 22944, 23040, 23661, 23760, 24320, 24624, 25080, 25344, 25812, 25920, 26290, 26752, 27246, 27360, 27648, 28160, 28215, 28512, 28680, 29184, 30096, 30592, 30780, 31548, 31680, 32265, 32832, 33440, 33792, 33858, 34416, 34560, 35640, 36328, 36480, 37620, 38016, 38240, 38718, 39435, 40128, 40869, 41040, 41472, 42064, 42240, 43020, 43776, 45144, 45410, 45888, 46080, 47322, 47520, 48640, 49248, 49951, 50160, 50688, 51624, 51840, 52580, 53504, 54492, 54720, 56320, 56430, 57024, 57360, 58368, 60192, 61184, 61560, 63096, 63360, 64530, 65664, 66880, 67716, 68115, 68832, 69120, 70983, 71280, 72656, 72960, 75240, 76032, 76480, 77436, 78870, 80256, 81738, 82080, 82944, 84128, 84480, 84645, 86040, 87552, 90288, 90820, 91776, 94644, 95040, 96795, 97280, 98496, 99902, 100320, 101376, 103248, 103680, 105160, 107008, 108984, 109440, 112860, 114048, 114720, 118305, 120384, 122368, 122607, 123120, 126192, 126720, 129060, 131328, 133760, 135432, 136230, 137664, 138240, 141966, 142560, 145312, 145920, 149853, 150480, 152064, 152960, 154872, 157740, 160512, 163476, 164160, 168256, 168960, 169290, 172080, 175104, 180576, 181640, 183552, 189288, 190080, 193590, 196992, 199804, 200640, 204345, 206496, 207360, 210320, 212949, 214016, 217968, 218880, 225720, 228096, 229440, 236610, 240768, 244736, 245214, 246240, 249755, 252384, 253440, 258120, 262656, 267520, 270864, 272460, 275328, 283932, 285120, 290624, 291840, 299706, 300960, 304128, 305920, 309744, 315480, 321024, 326952, 328320, 336512, 338580, 344160, 354915, 361152, 363280, 367104, 367821, 378576, 380160, 387180, 393984, 399608, 401280, 408690, 412992, 414720, 420640, 425898, 435936, 437760, 449559, 451440, 456192, 458880, 473220, 481536, 490428, 492480, 499510, 504768, 506880, 516240, 525312, 535040, 541728, 544920, 550656, 567864, 570240, 581248, 599412, 601920, 611840, 613035, 619488, 630960, 642048, 653904, 656640, 673024, 677160, 688320, 709830, 722304, 726560, 734208, 735642, 749265, 757152, 760320, 774360, 787968, 799216, 802560, 817380, 825984, 841280, 851796, 871872, 875520, 899118, 902880, 912384, 917760, 946440, 963072, 980856, 984960, 999020, 1009536, 1032480, 1064745, 1070080, 1083456, 1089840, 1101312, 1135728, 1140480, 1162496, 1198824, 1203840, 1223680, 1226070, 1238976, 1261920, 1307808, 1313280, 1346048, 1348677, 1354320, 1376640, 1419660, 1444608, 1453120, 1471284, 1498530, 1514304, 1520640, 1548720, 1575936, 1598432, 1605120, 1634760, 1651968, 1682560, 1703592, 1743744, 1798236, 1805760, 1835520, 1839105, 1892880, 1926144, 1961712, 1969920, 1998040, 2019072, 2064960, 2129490, 2166912, 2179680, 2202624, 2247795, 2271456, 2280960, 2324992, 2397648, 2407680, 2452140, 2477952, 2523840, 2615616, 2626560, 2692096, 2697354, 2708640, 2753280, 2839320, 2889216, 2906240, 2942568, 2997060, 3028608, 3097440, 3196864, 3210240, 3269520, 3303936, 3365120, 3407184, 3487488, 3596472, 3611520, 3671040, 3678210, 3785760, 3923424, 3939840, 3996080, 4038144, 4046031, 4129920, 4258980, 4333824, 4359360, 4495590, 4542912, 4561920, 4649984, 4795296, 4815360, 4904280, 4955904, 5047680, 5231232, 5394708, 5417280, 5506560, 5678640, 5778432, 5812480, 5885136, 5994120, 6057216, 6194880, 6393728, 6539040, 6607872, 6730240, 6743385, 6814368, 6974976, 7192944, 7223040, 7356420, 7571520, 7846848, 7879680, 7992160, 8076288, 8092062, 8259840, 8517960, 8667648, 8718720, 8991180, 9085824, 9590592, 9630720, 9808560, 9911808, 10095360, 10462464, 10789416, 10834560, 11013120, 11357280, 11624960, 11770272, 11988240, 12114432, 12389760, 12787456, 13078080, 13460480, 13486770, 13628736, 13949952, 14385888, 14446080, 14712840, 15143040, 15693696, 15984320, 16184124, 16519680, 17035920, 17335296, 17437440, 17982360, 18171648, 19181184, 19617120, 19823616, 20190720, 20230155, 20924928, 21578832, 21669120, 22714560, 23249920, 23540544, 23976480, 24228864, 24779520, 25574912, 26156160, 26973540, 27257472, 28771776, 28892160, 29425680, 30286080, 31387392, 31968640, 32368248, 33039360, 34071840, 34874880, 35964720, 36343296, 38362368, 39234240, 40381440, 40460310, 41849856, 43157664, 43338240, 45429120, 47081088, 47952960, 49559040, 51149824, 52312320, 53947080, 54514944, 57543552, 58851360, 60572160, 62774784, 63937280, 64736496, 68143680, 69749760, 71929440, 72686592, 76724736, 78468480, 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約数ペア:

[(1, 20715678720), (2, 10357839360), (3, 6905226240), (4, 5178919680), (5, 4143135744), (6, 3452613120), (8, 2589459840), (9, 2301742080), (10, 2071567872), (11, 1883243520), (12, 1726306560), (15, 1381045248), (16, 1294729920), (18, 1150871040), (19, 1090298880), (20, 1035783936), (22, 941621760), (24, 863153280), (27, 767247360), (30, 690522624), (32, 647364960), (33, 627747840), (36, 575435520), (38, 545149440), (40, 517891968), (44, 470810880), (45, 460348416), (48, 431576640), (54, 383623680), (55, 376648704), (57, 363432960), (60, 345261312), (64, 323682480), (66, 313873920), (72, 287717760), (76, 272574720), (80, 258945984), (81, 255749120), (88, 235405440), (90, 230174208), (95, 218059776), (96, 215788320), (99, 209249280), (108, 191811840), (110, 188324352), (114, 181716480), (120, 172630656), (128, 161841240), (132, 156936960), (135, 153449472), (144, 143858880), (152, 136287360), (160, 129472992), (162, 127874560), (165, 125549568), (171, 121144320), (176, 117702720), (180, 115087104), (190, 109029888), (192, 107894160), (198, 104624640), (209, 99118080), (216, 95905920), (220, 94162176), (228, 90858240), (239, 86676480), (240, 86315328), (256, 80920620), (264, 78468480), (270, 76724736), (285, 72686592), (288, 71929440), (297, 69749760), (304, 68143680), (320, 64736496), (324, 63937280), (330, 62774784), (342, 60572160), (352, 58851360), (360, 57543552), (380, 54514944), (384, 53947080), (396, 52312320), (405, 51149824), (418, 49559040), (432, 47952960), (440, 47081088), (456, 45429120), (478, 43338240), (480, 43157664), (495, 41849856), (512, 40460310), (513, 40381440), (528, 39234240), (540, 38362368), (570, 36343296), (576, 35964720), (594, 34874880), (608, 34071840), (627, 33039360), (640, 32368248), (648, 31968640), (660, 31387392), (684, 30286080), (704, 29425680), (717, 28892160), (720, 28771776), (760, 27257472), (768, 26973540), (792, 26156160), (810, 25574912), (836, 24779520), (855, 24228864), (864, 23976480), (880, 23540544), (891, 23249920), (912, 22714560), (956, 21669120), (960, 21578832), (990, 20924928), (1024, 20230155), (1026, 20190720), (1045, 19823616), (1056, 19617120), (1080, 19181184), (1140, 18171648), (1152, 17982360), (1188, 17437440), (1195, 17335296), (1216, 17035920), (1254, 16519680), (1280, 16184124), (1296, 15984320), (1320, 15693696), (1368, 15143040), (1408, 14712840), (1434, 14446080), (1440, 14385888), (1485, 13949952), (1520, 13628736), (1536, 13486770), (1539, 13460480), (1584, 13078080), (1620, 12787456), (1672, 12389760), (1710, 12114432), (1728, 11988240), (1760, 11770272), (1782, 11624960), (1824, 11357280), (1881, 11013120), (1912, 10834560), (1920, 10789416), (1980, 10462464), (2052, 10095360), (2090, 9911808), (2112, 9808560), (2151, 9630720), (2160, 9590592), (2280, 9085824), (2304, 8991180), (2376, 8718720), (2390, 8667648), (2432, 8517960), (2508, 8259840), (2560, 8092062), (2565, 8076288), (2592, 7992160), (2629, 7879680), (2640, 7846848), (2736, 7571520), (2816, 7356420), (2868, 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(7680, 2697354), (7695, 2692096), (7887, 2626560), (7920, 2615616), (8208, 2523840), (8360, 2477952), (8448, 2452140), (8604, 2407680), (8640, 2397648), (8910, 2324992), (9082, 2280960), (9120, 2271456), (9216, 2247795), (9405, 2202624), (9504, 2179680), (9560, 2166912), (9728, 2129490), (10032, 2064960), (10260, 2019072), (10368, 1998040), (10516, 1969920), (10560, 1961712), (10755, 1926144), (10944, 1892880), (11264, 1839105), (11286, 1835520), (11472, 1805760), (11520, 1798236), (11880, 1743744), (12160, 1703592), (12312, 1682560), (12540, 1651968), (12672, 1634760), (12906, 1605120), (12960, 1598432), (13145, 1575936), (13376, 1548720), (13623, 1520640), (13680, 1514304), (13824, 1498530), (14080, 1471284), (14256, 1453120), (14340, 1444608), (14592, 1419660), (15048, 1376640), (15296, 1354320), (15360, 1348677), (15390, 1346048), (15774, 1313280), (15840, 1307808), (16416, 1261920), (16720, 1238976), (16896, 1226070), (16929, 1223680), (17208, 1203840), (17280, 1198824), (17820, 1162496), (18164, 1140480), (18240, 1135728), (18810, 1101312), (19008, 1089840), (19120, 1083456), (19359, 1070080), (19456, 1064745), (20064, 1032480), (20520, 1009536), (20736, 999020), (21032, 984960), (21120, 980856), (21510, 963072), (21888, 946440), (22572, 917760), (22705, 912384), (22944, 902880), (23040, 899118), (23661, 875520), (23760, 871872), (24320, 851796), (24624, 841280), (25080, 825984), (25344, 817380), (25812, 802560), (25920, 799216), (26290, 787968), (26752, 774360), (27246, 760320), (27360, 757152), (27648, 749265), (28160, 735642), (28215, 734208), (28512, 726560), (28680, 722304), (29184, 709830), (30096, 688320), (30592, 677160), (30780, 673024), (31548, 656640), (31680, 653904), (32265, 642048), (32832, 630960), (33440, 619488), (33792, 613035), (33858, 611840), (34416, 601920), (34560, 599412), (35640, 581248), (36328, 570240), (36480, 567864), (37620, 550656), (38016, 544920), (38240, 541728), (38718, 535040), (39435, 525312), (40128, 516240), (40869, 506880), (41040, 504768), (41472, 499510), (42064, 492480), (42240, 490428), (43020, 481536), (43776, 473220), (45144, 458880), (45410, 456192), (45888, 451440), (46080, 449559), (47322, 437760), (47520, 435936), (48640, 425898), (49248, 420640), (49951, 414720), (50160, 412992), (50688, 408690), (51624, 401280), (51840, 399608), (52580, 393984), (53504, 387180), (54492, 380160), (54720, 378576), (56320, 367821), (56430, 367104), (57024, 363280), (57360, 361152), (58368, 354915), (60192, 344160), (61184, 338580), (61560, 336512), (63096, 328320), (63360, 326952), (64530, 321024), (65664, 315480), (66880, 309744), (67716, 305920), (68115, 304128), (68832, 300960), (69120, 299706), (70983, 291840), (71280, 290624), (72656, 285120), (72960, 283932), (75240, 275328), (76032, 272460), (76480, 270864), (77436, 267520), (78870, 262656), (80256, 258120), (81738, 253440), (82080, 252384), (82944, 249755), (84128, 246240), (84480, 245214), (84645, 244736), (86040, 240768), (87552, 236610), (90288, 229440), (90820, 228096), (91776, 225720), (94644, 218880), (95040, 217968), (96795, 214016), (97280, 212949), (98496, 210320), (99902, 207360), (100320, 206496), (101376, 204345), (103248, 200640), (103680, 199804), (105160, 196992), (107008, 193590), (108984, 190080), (109440, 189288), (112860, 183552), (114048, 181640), (114720, 180576), (118305, 175104), (120384, 172080), (122368, 169290), (122607, 168960), (123120, 168256), (126192, 164160), (126720, 163476), (129060, 160512), (131328, 157740), (133760, 154872), (135432, 152960), (136230, 152064), (137664, 150480), (138240, 149853), (141966, 145920), (142560, 145312)]