81568945920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 864

約数和(自身を含む): 338227384320

約数和(自身を除く): 256658438400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 62, 64, 66, 70, 77, 80, 84, 88, 93, 96, 105, 110, 112, 120, 121, 124, 128, 132, 140, 154, 155, 160, 165, 168, 176, 186, 192, 210, 217, 220, 224, 231, 240, 242, 248, 256, 264, 280, 308, 310, 320, 330, 336, 341, 352, 363, 372, 384, 385, 420, 434, 440, 448, 462, 465, 480, 484, 496, 528, 560, 605, 616, 620, 640, 651, 660, 672, 682, 704, 726, 744, 768, 770, 809, 840, 847, 868, 880, 896, 924, 930, 960, 968, 992, 1023, 1056, 1085, 1120, 1155, 1210, 1232, 1240, 1280, 1302, 1320, 1344, 1364, 1408, 1452, 1488, 1540, 1618, 1680, 1694, 1705, 1736, 1760, 1792, 1815, 1848, 1860, 1920, 1936, 1984, 2046, 2112, 2170, 2240, 2310, 2387, 2420, 2427, 2464, 2480, 2541, 2604, 2640, 2688, 2728, 2816, 2904, 2976, 3080, 3236, 3255, 3360, 3388, 3410, 3472, 3520, 3630, 3696, 3720, 3751, 3840, 3872, 3968, 4045, 4092, 4224, 4235, 4340, 4480, 4620, 4774, 4840, 4854, 4928, 4960, 5082, 5115, 5208, 5280, 5376, 5456, 5663, 5808, 5952, 6160, 6472, 6510, 6720, 6776, 6820, 6944, 7040, 7161, 7260, 7392, 7440, 7502, 7744, 7936, 8090, 8184, 8448, 8470, 8680, 8899, 8960, 9240, 9548, 9680, 9708, 9856, 9920, 10164, 10230, 10416, 10560, 10912, 11253, 11326, 11616, 11904, 11935, 12135, 12320, 12705, 12944, 13020, 13440, 13552, 13640, 13888, 14080, 14322, 14520, 14784, 14880, 15004, 15488, 16180, 16368, 16940, 16989, 17360, 17798, 18480, 18755, 19096, 19360, 19416, 19712, 19840, 20328, 20460, 20832, 21120, 21824, 22506, 22652, 23232, 23808, 23870, 24270, 24640, 25079, 25410, 25888, 26040, 26257, 26697, 26880, 27104, 27280, 27776, 28315, 28644, 29040, 29568, 29760, 30008, 30976, 32360, 32736, 33880, 33978, 34720, 35596, 35805, 36960, 37510, 38192, 38720, 38832, 39680, 40656, 40920, 41664, 42240, 43648, 44495, 45012, 45304, 46464, 47740, 48540, 49280, 50158, 50820, 51776, 52080, 52514, 53394, 54208, 54560, 55552, 56265, 56630, 57288, 58080, 59136, 59520, 60016, 62293, 64720, 65472, 67760, 67956, 69440, 71192, 71610, 73920, 75020, 75237, 76384, 77440, 77664, 78771, 81312, 81840, 83328, 84945, 87296, 88990, 90024, 90608, 92928, 95480, 97080, 97889, 98560, 100316, 101640, 103552, 104160, 105028, 106788, 108416, 109120, 112530, 113260, 114576, 116160, 119040, 120032, 124586, 125395, 129440, 130944, 131285, 133485, 135520, 135912, 138880, 142384, 143220, 147840, 150040, 150474, 152768, 154880, 155328, 157542, 162624, 163680, 166656, 169890, 175553, 177980, 180048, 181216, 186879, 190960, 194160, 195778, 200632, 203280, 207104, 208320, 210056, 213576, 216832, 218240, 225060, 226520, 229152, 232320, 240064, 249172, 250790, 258880, 261888, 262570, 266970, 271040, 271824, 275869, 277760, 284768, 286440, 293667, 295680, 300080, 300948, 305536, 310656, 311465, 315084, 325248, 327360, 339780, 351106, 355960, 360096, 362432, 373758, 376185, 381920, 388320, 391556, 393855, 401264, 406560, 416640, 420112, 427152, 436480, 450120, 453040, 458304, 464640, 480128, 489445, 498344, 501580, 517760, 525140, 526659, 533940, 542080, 543648, 551738, 569536, 572880, 587334, 600160, 601896, 611072, 621312, 622930, 630168, 650496, 654720, 679560, 685223, 702212, 711920, 720192, 724864, 747516, 752370, 763840, 776640, 783112, 787710, 802528, 813120, 827607, 833280, 840224, 854304, 877765, 900240, 906080, 916608, 934395, 960256, 978890, 996688, 1003160, 1035520, 1050280, 1053318, 1067880, 1084160, 1087296, 1103476, 1139072, 1145760, 1174668, 1200320, 1203792, 1245860, 1260336, 1309440, 1359120, 1370446, 1379345, 1404424, 1423840, 1440384, 1449728, 1468335, 1495032, 1504740, 1527680, 1553280, 1566224, 1575420, 1605056, 1626240, 1655214, 1680448, 1708608, 1755530, 1800480, 1812160, 1833216, 1868790, 1931083, 1957780, 1993376, 2006320, 2055669, 2100560, 2106636, 2135760, 2174592, 2206952, 2278144, 2291520, 2349336, 2400640, 2407584, 2491720, 2520672, 2633295, 2718240, 2740892, 2758690, 2808848, 2847680, 2880768, 2936670, 2990064, 3009480, 3034559, 3055360, 3106560, 3132448, 3150840, 3210112, 3252480, 3310428, 3360896, 3417216, 3426115, 3511060, 3600960, 3624320, 3737580, 3862166, 3915560, 3986752, 4012640, 4111338, 4138035, 4201120, 4213272, 4271520, 4349184, 4413904, 4583040, 4698672, 4801280, 4815168, 4983440, 5041344, 5266590, 5436480, 5481784, 5517380, 5617696, 5695360, 5793249, 5873340, 5980128, 6018960, 6069118, 6264896, 6301680, 6420224, 6620856, 6721792, 6834432, 6852230, 7022120, 7201920, 7248640, 7475160, 7724332, 7831120, 7973504, 8025280, 8222676, 8276070, 8402240, 8426544, 8543040, 8827808, 9103677, 9166080, 9397344, 9630336, 9655415, 9966880, 10082688, 10278345, 10533180, 10872960, 10963568, 11034760, 11235392, 11390720, 11586498, 11746680, 11960256, 12037920, 12138236, 12529792, 12603360, 13241712, 13704460, 14044240, 14403840, 14950320, 15172795, 15448664, 15662240, 15947008, 16050560, 16445352, 16552140, 16804480, 16853088, 17086080, 17655616, 18207354, 18794688, 19260672, 19310830, 19933760, 20165376, 20556690, 21066360, 21241913, 21745920, 21927136, 22069520, 22470784, 23172996, 23493360, 23920512, 24075840, 24276472, 25059584, 25206720, 26483424, 27408920, 28088480, 28966245, 29900640, 30345590, 30897328, 31324480, 32101120, 32890704, 33104280, 33608960, 33706176, 34172160, 35311232, 36414708, 37589376, 38621660, 39867520, 41113380, 42132720, 42483826, 43854272, 44139040, 44941568, 45518385, 46345992, 46986720, 47841024, 48151680, 48552944, 50413440, 52966848, 54817840, 56176960, 57932490, 59801280, 60691180, 61794656, 62648960, 63725739, 65781408, 66208560, 67412352, 70622464, 72829416, 75178752, 77243320, 79735040, 82226760, 84265440, 84967652, 87708544, 88278080, 91036770, 92691984, 93973440, 96303360, 97105888, 100826880, 105933696, 106209565, 109635680, 112353920, 115864980, 119602560, 121382360, 123589312, 125297920, 127451478, 131562816, 132417120, 134824704, 145658832, 154486640, 164453520, 168530880, 169935304, 175417088, 176556160, 182073540, 185383968, 187946880, 194211776, 211867392, 212419130, 219271360, 224707840, 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約数ペア:

[(1, 81568945920), (2, 40784472960), (3, 27189648640), (4, 20392236480), (5, 16313789184), (6, 13594824320), (7, 11652706560), (8, 10196118240), (10, 8156894592), (11, 7415358720), (12, 6797412160), (14, 5826353280), (15, 5437929728), (16, 5098059120), (20, 4078447296), (21, 3884235520), (22, 3707679360), (24, 3398706080), (28, 2913176640), (30, 2718964864), (31, 2631256320), (32, 2549029560), (33, 2471786240), (35, 2330541312), (40, 2039223648), (42, 1942117760), (44, 1853839680), (48, 1699353040), (55, 1483071744), (56, 1456588320), (60, 1359482432), (62, 1315628160), (64, 1274514780), (66, 1235893120), (70, 1165270656), (77, 1059336960), (80, 1019611824), (84, 971058880), (88, 926919840), (93, 877085440), (96, 849676520), (105, 776847104), (110, 741535872), (112, 728294160), (120, 679741216), (121, 674123520), (124, 657814080), (128, 637257390), (132, 617946560), (140, 582635328), (154, 529668480), (155, 526251264), (160, 509805912), (165, 494357248), (168, 485529440), (176, 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(930, 87708544), (960, 84967652), (968, 84265440), (992, 82226760), (1023, 79735040), (1056, 77243320), (1085, 75178752), (1120, 72829416), (1155, 70622464), (1210, 67412352), (1232, 66208560), (1240, 65781408), (1280, 63725739), (1302, 62648960), (1320, 61794656), (1344, 60691180), (1364, 59801280), (1408, 57932490), (1452, 56176960), (1488, 54817840), (1540, 52966848), (1618, 50413440), (1680, 48552944), (1694, 48151680), (1705, 47841024), (1736, 46986720), (1760, 46345992), (1792, 45518385), (1815, 44941568), (1848, 44139040), (1860, 43854272), (1920, 42483826), (1936, 42132720), (1984, 41113380), (2046, 39867520), (2112, 38621660), (2170, 37589376), (2240, 36414708), (2310, 35311232), (2387, 34172160), (2420, 33706176), (2427, 33608960), (2464, 33104280), (2480, 32890704), (2541, 32101120), (2604, 31324480), (2640, 30897328), (2688, 30345590), (2728, 29900640), (2816, 28966245), (2904, 28088480), (2976, 27408920), (3080, 26483424), (3236, 25206720), (3255, 25059584), (3360, 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