20168478720

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 624

約数和(自身を含む): 79427799360

約数和(自身を除く): 59259320640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 64, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 128, 130, 144, 152, 156, 160, 171, 180, 190, 192, 195, 208, 228, 234, 240, 247, 256, 260, 285, 288, 304, 312, 320, 342, 360, 380, 384, 390, 416, 443, 456, 468, 480, 494, 512, 520, 570, 576, 585, 608, 624, 640, 684, 720, 741, 760, 768, 780, 832, 855, 886, 912, 936, 960, 988, 1024, 1040, 1140, 1152, 1170, 1216, 1235, 1248, 1280, 1329, 1368, 1440, 1482, 1520, 1536, 1560, 1664, 1710, 1772, 1824, 1872, 1920, 1976, 2048, 2080, 2215, 2223, 2280, 2304, 2340, 2432, 2470, 2496, 2560, 2658, 2736, 2880, 2964, 3040, 3072, 3120, 3328, 3420, 3544, 3648, 3705, 3744, 3840, 3952, 3987, 4096, 4160, 4430, 4446, 4560, 4608, 4680, 4864, 4940, 4992, 5120, 5316, 5472, 5759, 5760, 5928, 6080, 6144, 6240, 6645, 6656, 6840, 7088, 7296, 7410, 7488, 7680, 7904, 7974, 8320, 8417, 8860, 8892, 9120, 9216, 9360, 9728, 9880, 9984, 10240, 10632, 10944, 11115, 11518, 11520, 11856, 12160, 12288, 12480, 13290, 13312, 13680, 14176, 14592, 14820, 14976, 15360, 15808, 15948, 16640, 16834, 17277, 17720, 17784, 18240, 18432, 18720, 19456, 19760, 19935, 19968, 20480, 21264, 21888, 22230, 23036, 23040, 23712, 24320, 24960, 25251, 26580, 26624, 27360, 28352, 28795, 29184, 29640, 29952, 30720, 31616, 31896, 33280, 33668, 34554, 35440, 35568, 36480, 36864, 37440, 38912, 39520, 39870, 39936, 42085, 42528, 43776, 44460, 46072, 46080, 47424, 48640, 49920, 50502, 51831, 53160, 53248, 54720, 56704, 57590, 58368, 59280, 59904, 61440, 63232, 63792, 66560, 67336, 69108, 70880, 71136, 72960, 74880, 75753, 77824, 79040, 79740, 79872, 84170, 85056, 86385, 87552, 88920, 92144, 92160, 94848, 97280, 99840, 101004, 103662, 106320, 109421, 109440, 113408, 115180, 116736, 118560, 119808, 126255, 126464, 127584, 133120, 134672, 138216, 141760, 142272, 145920, 149760, 151506, 158080, 159480, 159744, 168340, 170112, 172770, 175104, 177840, 184288, 184320, 189696, 194560, 199680, 202008, 207324, 212640, 218842, 218880, 226816, 230360, 233472, 237120, 239616, 252510, 252928, 255168, 259155, 266240, 269344, 276432, 283520, 284544, 291840, 299520, 303012, 316160, 318960, 328263, 336680, 340224, 345540, 350208, 355680, 368576, 378765, 379392, 389120, 399360, 404016, 414648, 425280, 437684, 437760, 453632, 460720, 474240, 479232, 505020, 505856, 510336, 518310, 538688, 547105, 552864, 567040, 569088, 583680, 599040, 606024, 632320, 637920, 656526, 673360, 680448, 691080, 700416, 711360, 737152, 757530, 758784, 798720, 808032, 829296, 850560, 875368, 875520, 907264, 921440, 948480, 984789, 1010040, 1011712, 1020672, 1036620, 1077376, 1094210, 1105728, 1134080, 1138176, 1167360, 1198080, 1212048, 1264640, 1275840, 1313052, 1346720, 1360896, 1382160, 1422720, 1474304, 1515060, 1517568, 1616064, 1641315, 1658592, 1701120, 1750736, 1751040, 1814528, 1842880, 1896960, 1969578, 2020080, 2041344, 2073240, 2154752, 2188420, 2211456, 2268160, 2276352, 2396160, 2424096, 2529280, 2551680, 2626104, 2693440, 2721792, 2764320, 2845440, 2948608, 3030120, 3035136, 3232128, 3282630, 3317184, 3402240, 3501472, 3502080, 3685760, 3793920, 3939156, 4040160, 4082688, 4146480, 4309504, 4376840, 4422912, 4536320, 4552704, 4848192, 4923945, 5058560, 5103360, 5252208, 5386880, 5443584, 5528640, 5690880, 5897216, 6060240, 6464256, 6565260, 6634368, 6804480, 7002944, 7371520, 7587840, 7878312, 8080320, 8165376, 8292960, 8619008, 8753680, 8845824, 9072640, 9105408, 9696384, 9847890, 10206720, 10504416, 10773760, 11057280, 11381760, 11794432, 12120480, 12928512, 13130520, 13268736, 13608960, 14005888, 14743040, 15175680, 15756624, 16160640, 16330752, 16585920, 17238016, 17507360, 17691648, 19392768, 19695780, 20413440, 21008832, 21547520, 22114560, 22763520, 23588864, 24240960, 25857024, 26261040, 26537472, 27217920, 28011776, 29486080, 31513248, 32321280, 33171840, 34476032, 35014720, 35383296, 38785536, 39391560, 40826880, 42017664, 43095040, 44229120, 45527040, 48481920, 51714048, 52522080, 53074944, 56023552, 58972160, 63026496, 64642560, 66343680, 70029440, 70766592, 77571072, 78783120, 81653760, 84035328, 86190080, 88458240, 96963840, 103428096, 105044160, 106149888, 112047104, 117944320, 126052992, 129285120, 132687360, 140058880, 155142144, 157566240, 168070656, 172380160, 176916480, 193927680, 210088320, 212299776, 224094208, 252105984, 258570240, 265374720, 280117760, 310284288, 315132480, 336141312, 353832960, 387855360, 420176640, 448188416, 504211968, 517140480, 530749440, 560235520, 630264960, 672282624, 775710720, 840353280, 1008423936, 1061498880, 1120471040, 1260529920, 1344565248, 1551421440, 1680706560, 2016847872, 2240942080, 2521059840, 3361413120, 4033695744, 5042119680, 6722826240, 10084239360, 20168478720]

約数ペア:

[(1, 20168478720), (2, 10084239360), (3, 6722826240), (4, 5042119680), (5, 4033695744), (6, 3361413120), (8, 2521059840), (9, 2240942080), (10, 2016847872), (12, 1680706560), (13, 1551421440), (15, 1344565248), (16, 1260529920), (18, 1120471040), (19, 1061498880), (20, 1008423936), (24, 840353280), (26, 775710720), (30, 672282624), (32, 630264960), (36, 560235520), (38, 530749440), (39, 517140480), (40, 504211968), (45, 448188416), (48, 420176640), (52, 387855360), (57, 353832960), (60, 336141312), (64, 315132480), (65, 310284288), (72, 280117760), (76, 265374720), (78, 258570240), (80, 252105984), (90, 224094208), (95, 212299776), (96, 210088320), (104, 193927680), (114, 176916480), (117, 172380160), (120, 168070656), (128, 157566240), (130, 155142144), (144, 140058880), (152, 132687360), (156, 129285120), (160, 126052992), (171, 117944320), (180, 112047104), (190, 106149888), (192, 105044160), (195, 103428096), (208, 96963840), (228, 88458240), (234, 86190080), (240, 84035328), (247, 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(1772, 11381760), (1824, 11057280), (1872, 10773760), (1920, 10504416), (1976, 10206720), (2048, 9847890), (2080, 9696384), (2215, 9105408), (2223, 9072640), (2280, 8845824), (2304, 8753680), (2340, 8619008), (2432, 8292960), (2470, 8165376), (2496, 8080320), (2560, 7878312), (2658, 7587840), (2736, 7371520), (2880, 7002944), (2964, 6804480), (3040, 6634368), (3072, 6565260), (3120, 6464256), (3328, 6060240), (3420, 5897216), (3544, 5690880), (3648, 5528640), (3705, 5443584), (3744, 5386880), (3840, 5252208), (3952, 5103360), (3987, 5058560), (4096, 4923945), (4160, 4848192), (4430, 4552704), (4446, 4536320), (4560, 4422912), (4608, 4376840), (4680, 4309504), (4864, 4146480), (4940, 4082688), (4992, 4040160), (5120, 3939156), (5316, 3793920), (5472, 3685760), (5759, 3502080), (5760, 3501472), (5928, 3402240), (6080, 3317184), (6144, 3282630), (6240, 3232128), (6645, 3035136), (6656, 3030120), (6840, 2948608), (7088, 2845440), (7296, 2764320), (7410, 2721792), (7488, 2693440), (7680, 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(27360, 737152), (28352, 711360), (28795, 700416), (29184, 691080), (29640, 680448), (29952, 673360), (30720, 656526), (31616, 637920), (31896, 632320), (33280, 606024), (33668, 599040), (34554, 583680), (35440, 569088), (35568, 567040), (36480, 552864), (36864, 547105), (37440, 538688), (38912, 518310), (39520, 510336), (39870, 505856), (39936, 505020), (42085, 479232), (42528, 474240), (43776, 460720), (44460, 453632), (46072, 437760), (46080, 437684), (47424, 425280), (48640, 414648), (49920, 404016), (50502, 399360), (51831, 389120), (53160, 379392), (53248, 378765), (54720, 368576), (56704, 355680), (57590, 350208), (58368, 345540), (59280, 340224), (59904, 336680), (61440, 328263), (63232, 318960), (63792, 316160), (66560, 303012), (67336, 299520), (69108, 291840), (70880, 284544), (71136, 283520), (72960, 276432), (74880, 269344), (75753, 266240), (77824, 259155), (79040, 255168), (79740, 252928), (79872, 252510), (84170, 239616), (85056, 237120), (86385, 233472), (87552, 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