81481489056

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 864

約数和(自身を含む): 294211491840

約数和(自身を除く): 212730002784

約数列:

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441864, 444312, 451231, 466344, 468996, 477774, 491744, 492252, 496584, 504317, 511632, 521208, 522478, 524172, 540056, 550164, 553212, 569976, 571824, 583946, 589152, 592416, 603504, 607563, 621792, 625328, 637032, 641223, 656336, 662112, 662796, 694944, 698896, 703494, 716661, 733552, 737616, 738378, 742577, 759968, 767448, 779399, 783717, 786258, 810084, 825246, 829818, 849376, 854964, 857736, 875919, 883728, 888624, 902462, 932688, 937992, 955548, 984504, 993168, 1008634, 1023264, 1042416, 1044956, 1048344, 1055241, 1080112, 1100328, 1106424, 1107567, 1139952, 1143648, 1167892, 1179387, 1207008, 1215126, 1237869, 1250656, 1274064, 1282446, 1312672, 1325592, 1353693, 1397792, 1406988, 1433322, 1467104, 1475232, 1476756, 1485154, 1512951, 1534896, 1558798, 1567434, 1572516, 1620168, 1650492, 1659636, 1709928, 1715472, 1751838, 1767456, 1777248, 1804924, 1822689, 1865376, 1875984, 1911096, 1969008, 1986336, 2017268, 2084832, 2089912, 2096688, 2110482, 2160224, 2200656, 2212848, 2215134, 2227731, 2279904, 2335784, 2338197, 2351151, 2358774, 2430252, 2475738, 2548128, 2564892, 2627757, 2651184, 2707386, 2813976, 2866644, 2953512, 2970308, 3025902, 3069792, 3117596, 3134868, 3145032, 3240336, 3300984, 3319272, 3419856, 3430944, 3503676, 3609848, 3645378, 3751968, 3822192, 3938016, 4034536, 4061079, 4179824, 4193376, 4220964, 4401312, 4425696, 4430268, 4455462, 4538853, 4671568, 4676394, 4702302, 4717548, 4860504, 4951476, 4963541, 5129784, 5255514, 5302368, 5414772, 5547487, 5627952, 5733288, 5907024, 5940616, 6051804, 6235192, 6269736, 6290064, 6480672, 6601968, 6638544, 6683193, 6839712, 7007352, 7014591, 7053453, 7219696, 7290756, 7644384, 7883271, 8069072, 8122158, 8359648, 8441928, 8573389, 8860536, 8910924, 9077706, 9343136, 9352788, 9404604, 9435096, 9721008, 9902952, 9927082, 10259568, 10511028, 10829544, 11094974, 11255904, 11466576, 11814048, 11881232, 12103608, 12183237, 12470384, 12539472, 12580128, 13203936, 13277088, 13366386, 13616559, 14014704, 14029182, 14106906, 14439392, 14581512, 14890623, 15766542, 16138144, 16244316, 16642461, 16883856, 17146778, 17721072, 17821848, 18155412, 18705576, 18809208, 18870192, 19442016, 19805904, 19854164, 20049579, 20519136, 21022056, 21043773, 21659088, 22189948, 22933152, 23762464, 24207216, 24366474, 24940768, 25078944, 25720167, 26732772, 27233118, 28029408, 28058364, 28213812, 29163024, 29781246, 31533084, 32488632, 33284922, 33767712, 34293556, 35442144, 35643696, 36310824, 37411152, 37618416, 37740384, 39611808, 39708328, 40099158, 42044112, 42087546, 43318176, 44379896, 44671869, 48414432, 48732948, 49927383, 51440334, 53465544, 54466236, 56116728, 56427624, 58326048, 59562492, 63066168, 64977264, 66569844, 68587112, 71287392, 72621648, 74822304, 75236832, 77160501, 79416656, 80198316, 84088224, 84175092, 88759792, 89343738, 94307279, 97465896, 99854766, 102880668, 106931088, 108932472, 112233456, 112855248, 119124984, 126132336, 129954528, 133139688, 134015607, 137174224, 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約数ペア:

[(1, 81481489056), (2, 40740744528), (3, 27160496352), (4, 20370372264), (6, 13580248176), (8, 10185186132), (9, 9053498784), (11, 7407408096), (12, 6790124088), (16, 5092593066), (17, 4793028768), (18, 4526749392), (19, 4288499424), (22, 3703704048), (24, 3395062044), (27, 3017832928), (32, 2546296533), (33, 2469136032), (34, 2396514384), (36, 2263374696), (38, 2144249712), (44, 1851852024), (48, 1697531022), (51, 1597676256), (54, 1508916464), (57, 1429499808), (66, 1234568016), (68, 1198257192), (72, 1131687348), (76, 1072124856), (88, 925926012), (96, 848765511), (99, 823045344), (102, 798838128), (108, 754458232), (114, 714749904), (121, 673400736), (127, 641586528), (132, 617284008), (136, 599128596), (144, 565843674), (152, 536062428), (153, 532558752), (171, 476499936), (176, 462963006), (187, 435729888), (198, 411522672), (204, 399419064), (209, 389863584), (216, 377229116), (228, 357374952), (242, 336700368), (254, 320793264), (264, 308642004), (272, 299564298), (288, 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(1496, 54466236), (1524, 53465544), (1584, 51440334), (1632, 49927383), (1672, 48732948), (1683, 48414432), (1824, 44671869), (1836, 44379896), (1881, 43318176), (1936, 42087546), (1938, 42044112), (2032, 40099158), (2052, 39708328), (2057, 39611808), (2159, 37740384), (2166, 37618416), (2178, 37411152), (2244, 36310824), (2286, 35643696), (2299, 35442144), (2376, 34293556), (2413, 33767712), (2448, 33284922), (2508, 32488632), (2584, 31533084), (2736, 29781246), (2794, 29163024), (2888, 28213812), (2904, 28058364), (2907, 28029408), (2992, 27233118), (3048, 26732772), (3168, 25720167), (3249, 25078944), (3267, 24940768), (3344, 24366474), (3366, 24207216), (3429, 23762464), (3553, 22933152), (3672, 22189948), (3762, 21659088), (3872, 21043773), (3876, 21022056), (3971, 20519136), (4064, 20049579), (4104, 19854164), (4114, 19805904), (4191, 19442016), (4318, 18870192), (4332, 18809208), (4356, 18705576), (4488, 18155412), (4572, 17821848), (4598, 17721072), (4752, 17146778), (4826, 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