20518068480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:942

約数の個数: 576

約数和(自身を含む): 81886629888

約数和(自身を除く): 61368561408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 71, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 142, 156, 160, 168, 182, 192, 195, 208, 210, 213, 224, 240, 256, 260, 273, 280, 284, 312, 320, 336, 355, 364, 384, 390, 416, 420, 426, 448, 455, 480, 497, 520, 546, 560, 568, 624, 640, 672, 710, 728, 768, 780, 827, 832, 840, 852, 896, 910, 923, 960, 994, 1040, 1065, 1092, 1120, 1136, 1248, 1280, 1344, 1365, 1420, 1456, 1491, 1560, 1654, 1664, 1680, 1704, 1792, 1820, 1846, 1920, 1988, 2080, 2130, 2184, 2240, 2272, 2481, 2485, 2496, 2688, 2730, 2769, 2840, 2912, 2982, 3120, 3308, 3328, 3360, 3408, 3640, 3692, 3840, 3976, 4135, 4160, 4260, 4368, 4480, 4544, 4615, 4962, 4970, 4992, 5376, 5460, 5538, 5680, 5789, 5824, 5964, 6240, 6461, 6616, 6720, 6816, 7280, 7384, 7455, 7952, 8270, 8320, 8520, 8736, 8960, 9088, 9230, 9924, 9940, 9984, 10751, 10920, 11076, 11360, 11578, 11648, 11928, 12405, 12480, 12922, 13232, 13440, 13632, 13845, 14560, 14768, 14910, 15904, 16540, 16640, 17040, 17367, 17472, 18176, 18460, 19383, 19848, 19880, 21502, 21840, 22152, 22720, 23156, 23296, 23856, 24810, 24960, 25844, 26464, 26880, 27264, 27690, 28945, 29120, 29536, 29820, 31808, 32253, 32305, 33080, 34080, 34734, 34944, 36920, 38766, 39696, 39760, 43004, 43680, 44304, 45440, 46312, 47712, 49620, 49920, 51688, 52928, 53755, 54528, 55380, 57890, 58240, 58717, 59072, 59640, 63616, 64506, 64610, 66160, 68160, 69468, 69888, 73840, 75257, 77532, 79392, 79520, 86008, 86835, 87360, 88608, 90880, 92624, 95424, 96915, 99240, 103376, 105856, 107510, 110760, 115780, 116480, 117434, 118144, 119280, 127232, 129012, 129220, 132320, 136320, 138936, 147680, 150514, 155064, 158784, 159040, 161265, 172016, 173670, 174720, 176151, 177216, 185248, 190848, 193830, 198480, 206752, 211712, 215020, 221520, 225771, 231560, 234868, 236288, 238560, 258024, 258440, 264640, 272640, 277872, 293585, 295360, 301028, 310128, 317568, 318080, 322530, 344032, 347340, 349440, 352302, 354432, 370496, 376285, 381696, 387660, 396960, 411019, 413504, 430040, 443040, 451542, 463120, 469736, 477120, 516048, 516880, 529280, 555744, 587170, 590720, 602056, 620256, 635136, 636160, 645060, 688064, 694680, 704604, 708864, 740992, 752570, 763321, 775320, 793920, 822038, 827008, 860080, 880755, 886080, 903084, 926240, 939472, 954240, 1032096, 1033760, 1058560, 1111488, 1128855, 1174340, 1181440, 1204112, 1233057, 1240512, 1290120, 1376128, 1389360, 1409208, 1481984, 1505140, 1526642, 1550640, 1587840, 1644076, 1654016, 1720160, 1761510, 1772160, 1806168, 1852480, 1878944, 1908480, 2055095, 2064192, 2067520, 2222976, 2257710, 2289963, 2348680, 2408224, 2466114, 2481024, 2580240, 2752256, 2778720, 2818416, 3010280, 3053284, 3101280, 3175680, 3288152, 3440320, 3523020, 3544320, 3612336, 3704960, 3757888, 3816605, 4110190, 4128384, 4135040, 4445952, 4515420, 4579926, 4697360, 4816448, 4932228, 4962048, 5160480, 5343247, 5557440, 5636832, 6020560, 6106568, 6165285, 6202560, 6576304, 6880640, 7046040, 7224672, 7409920, 7515776, 7633210, 8220380, 8256768, 8270080, 9030840, 9159852, 9394720, 9632896, 9864456, 10320960, 10686494, 11114880, 11273664, 11449815, 12041120, 12213136, 12330570, 12405120, 13152608, 13761280, 14092080, 14449344, 15031552, 15266420, 16029741, 16440760, 18061680, 18319704, 18789440, 19265792, 19728912, 20641920, 21372988, 22229760, 22547328, 22899630, 24082240, 24426272, 24661140, 24810240, 26305216, 26716235, 28184160, 28898688, 30532840, 32059482, 32881520, 36123360, 36639408, 37578880, 39457824, 41283840, 42745976, 45094656, 45799260, 48164480, 48852544, 49322280, 52610432, 53432470, 56368320, 57797376, 61065680, 64118964, 65763040, 72246720, 73278816, 75157760, 78915648, 80148705, 85491952, 91598520, 96328960, 97705088, 98644560, 105220864, 106864940, 112736640, 122131360, 128237928, 131526080, 144493440, 146557632, 157831296, 160297410, 170983904, 183197040, 195410176, 197289120, 213729880, 225473280, 244262720, 256475856, 263052160, 288986880, 293115264, 315662592, 320594820, 341967808, 366394080, 394578240, 427459760, 488525440, 512951712, 526104320, 586230528, 641189640, 683935616, 732788160, 789156480, 854919520, 977050880, 1025903424, 1282379280, 1367871232, 1465576320, 1578312960, 1709839040, 2051806848, 2564758560, 2931152640, 3419678080, 4103613696, 5129517120, 6839356160, 10259034240, 20518068480]

約数ペア:

[(1, 20518068480), (2, 10259034240), (3, 6839356160), (4, 5129517120), (5, 4103613696), (6, 3419678080), (7, 2931152640), (8, 2564758560), (10, 2051806848), (12, 1709839040), (13, 1578312960), (14, 1465576320), (15, 1367871232), (16, 1282379280), (20, 1025903424), (21, 977050880), (24, 854919520), (26, 789156480), (28, 732788160), (30, 683935616), (32, 641189640), (35, 586230528), (39, 526104320), (40, 512951712), (42, 488525440), (48, 427459760), (52, 394578240), (56, 366394080), (60, 341967808), (64, 320594820), (65, 315662592), (70, 293115264), (71, 288986880), (78, 263052160), (80, 256475856), (84, 244262720), (91, 225473280), (96, 213729880), (104, 197289120), (105, 195410176), (112, 183197040), (120, 170983904), (128, 160297410), (130, 157831296), (140, 146557632), (142, 144493440), (156, 131526080), (160, 128237928), (168, 122131360), (182, 112736640), (192, 106864940), (195, 105220864), (208, 98644560), (210, 97705088), (213, 96328960), (224, 91598520), (240, 85491952), (256, 80148705), (260, 78915648), (273, 75157760), (280, 73278816), (284, 72246720), (312, 65763040), (320, 64118964), (336, 61065680), (355, 57797376), (364, 56368320), (384, 53432470), (390, 52610432), (416, 49322280), (420, 48852544), (426, 48164480), (448, 45799260), (455, 45094656), (480, 42745976), (497, 41283840), (520, 39457824), (546, 37578880), (560, 36639408), (568, 36123360), (624, 32881520), (640, 32059482), (672, 30532840), (710, 28898688), (728, 28184160), (768, 26716235), (780, 26305216), (827, 24810240), (832, 24661140), (840, 24426272), (852, 24082240), (896, 22899630), (910, 22547328), (923, 22229760), (960, 21372988), (994, 20641920), (1040, 19728912), (1065, 19265792), (1092, 18789440), (1120, 18319704), (1136, 18061680), (1248, 16440760), (1280, 16029741), (1344, 15266420), (1365, 15031552), (1420, 14449344), (1456, 14092080), (1491, 13761280), (1560, 13152608), (1654, 12405120), (1664, 12330570), (1680, 12213136), (1704, 12041120), (1792, 11449815), (1820, 11273664), (1846, 11114880), (1920, 10686494), (1988, 10320960), (2080, 9864456), (2130, 9632896), (2184, 9394720), (2240, 9159852), (2272, 9030840), (2481, 8270080), (2485, 8256768), (2496, 8220380), (2688, 7633210), (2730, 7515776), (2769, 7409920), (2840, 7224672), (2912, 7046040), (2982, 6880640), (3120, 6576304), (3308, 6202560), (3328, 6165285), (3360, 6106568), (3408, 6020560), (3640, 5636832), (3692, 5557440), (3840, 5343247), (3976, 5160480), (4135, 4962048), (4160, 4932228), (4260, 4816448), (4368, 4697360), (4480, 4579926), (4544, 4515420), (4615, 4445952), (4962, 4135040), (4970, 4128384), (4992, 4110190), (5376, 3816605), (5460, 3757888), (5538, 3704960), (5680, 3612336), (5789, 3544320), (5824, 3523020), (5964, 3440320), (6240, 3288152), (6461, 3175680), (6616, 3101280), (6720, 3053284), (6816, 3010280), (7280, 2818416), (7384, 2778720), (7455, 2752256), (7952, 2580240), (8270, 2481024), (8320, 2466114), (8520, 2408224), (8736, 2348680), (8960, 2289963), (9088, 2257710), (9230, 2222976), (9924, 2067520), (9940, 2064192), (9984, 2055095), (10751, 1908480), (10920, 1878944), (11076, 1852480), (11360, 1806168), (11578, 1772160), (11648, 1761510), (11928, 1720160), (12405, 1654016), (12480, 1644076), (12922, 1587840), (13232, 1550640), (13440, 1526642), (13632, 1505140), (13845, 1481984), (14560, 1409208), (14768, 1389360), (14910, 1376128), (15904, 1290120), (16540, 1240512), (16640, 1233057), (17040, 1204112), (17367, 1181440), (17472, 1174340), (18176, 1128855), (18460, 1111488), (19383, 1058560), (19848, 1033760), (19880, 1032096), (21502, 954240), (21840, 939472), (22152, 926240), (22720, 903084), (23156, 886080), (23296, 880755), (23856, 860080), (24810, 827008), (24960, 822038), (25844, 793920), (26464, 775320), (26880, 763321), (27264, 752570), (27690, 740992), (28945, 708864), (29120, 704604), (29536, 694680), (29820, 688064), (31808, 645060), (32253, 636160), (32305, 635136), (33080, 620256), (34080, 602056), (34734, 590720), (34944, 587170), (36920, 555744), (38766, 529280), (39696, 516880), (39760, 516048), (43004, 477120), (43680, 469736), (44304, 463120), (45440, 451542), (46312, 443040), (47712, 430040), (49620, 413504), (49920, 411019), (51688, 396960), (52928, 387660), (53755, 381696), (54528, 376285), (55380, 370496), (57890, 354432), (58240, 352302), (58717, 349440), (59072, 347340), (59640, 344032), (63616, 322530), (64506, 318080), (64610, 317568), (66160, 310128), (68160, 301028), (69468, 295360), (69888, 293585), (73840, 277872), (75257, 272640), (77532, 264640), (79392, 258440), (79520, 258024), (86008, 238560), (86835, 236288), (87360, 234868), (88608, 231560), (90880, 225771), (92624, 221520), (95424, 215020), (96915, 211712), (99240, 206752), (103376, 198480), (105856, 193830), (107510, 190848), (110760, 185248), (115780, 177216), (116480, 176151), (117434, 174720), (118144, 173670), (119280, 172016), (127232, 161265), (129012, 159040), (129220, 158784), (132320, 155064), (136320, 150514), (138936, 147680)]