20640694536

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 1024

約数和(自身を含む): 81100800000

約数和(自身を除く): 60460105464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 22, 24, 27, 28, 31, 33, 36, 38, 42, 43, 44, 49, 54, 56, 57, 62, 63, 66, 72, 76, 77, 84, 86, 88, 93, 98, 99, 108, 114, 124, 126, 129, 132, 133, 147, 152, 154, 168, 171, 172, 186, 189, 196, 198, 209, 216, 217, 228, 231, 248, 252, 258, 264, 266, 279, 294, 297, 301, 308, 341, 342, 343, 344, 372, 378, 387, 392, 396, 399, 418, 434, 441, 456, 462, 473, 504, 513, 516, 532, 539, 558, 588, 589, 594, 602, 616, 627, 651, 682, 684, 686, 693, 744, 756, 774, 792, 798, 817, 836, 837, 868, 882, 903, 924, 931, 946, 1023, 1026, 1029, 1032, 1064, 1078, 1116, 1161, 1176, 1178, 1188, 1197, 1204, 1254, 1302, 1323, 1333, 1364, 1368, 1372, 1386, 1419, 1463, 1512, 1519, 1548, 1596, 1617, 1634, 1672, 1674, 1736, 1764, 1767, 1806, 1848, 1862, 1881, 1892, 1953, 2046, 2052, 2058, 2079, 2107, 2156, 2232, 2322, 2356, 2376, 2387, 2394, 2408, 2451, 2508, 2604, 2646, 2666, 2709, 2728, 2744, 2772, 2793, 2838, 2926, 3038, 3069, 3087, 3096, 3192, 3234, 3268, 3311, 3348, 3528, 3534, 3591, 3612, 3724, 3762, 3773, 3784, 3906, 3999, 4092, 4104, 4116, 4123, 4158, 4214, 4257, 4312, 4389, 4557, 4644, 4712, 4774, 4788, 4851, 4902, 5016, 5208, 5292, 5301, 5332, 5418, 5544, 5586, 5643, 5676, 5719, 5852, 5859, 6076, 6138, 6174, 6321, 6468, 6479, 6517, 6536, 6622, 6696, 7068, 7161, 7182, 7224, 7353, 7448, 7524, 7546, 7812, 7998, 8127, 8184, 8232, 8246, 8316, 8379, 8428, 8514, 8778, 8987, 9114, 9207, 9261, 9288, 9331, 9548, 9576, 9702, 9804, 9933, 10241, 10584, 10602, 10633, 10664, 10836, 11172, 11286, 11319, 11352, 11438, 11704, 11718, 11997, 12152, 12276, 12348, 12369, 12642, 12771, 12936, 12958, 13034, 13167, 13244, 13671, 14136, 14322, 14364, 14553, 14663, 14706, 14749, 15048, 15092, 15624, 15903, 15996, 16254, 16492, 16632, 16709, 16758, 16856, 17028, 17157, 17556, 17974, 18228, 18414, 18522, 18662, 18963, 19096, 19404, 19437, 19551, 19608, 19866, 20482, 21204, 21266, 21483, 21672, 22059, 22344, 22572, 22638, 22876, 23177, 23436, 23994, 24552, 24696, 24738, 25137, 25284, 25327, 25542, 25916, 26068, 26334, 26488, 26961, 27342, 27993, 28644, 28728, 28861, 29106, 29326, 29412, 29498, 29799, 30184, 30723, 31806, 31899, 31992, 32508, 32984, 33418, 33516, 33957, 34056, 34314, 35112, 35948, 35991, 36456, 36828, 37044, 37107, 37324, 37926, 38808, 38874, 39102, 39501, 39732, 40033, 40964, 41013, 42408, 42532, 42966, 43989, 44118, 44247, 45144, 45276, 45353, 45752, 46354, 46872, 47988, 49476, 50127, 50274, 50568, 50654, 51084, 51471, 51832, 52136, 52668, 53922, 54684, 55986, 56889, 57288, 57722, 58212, 58311, 58652, 58653, 58824, 58996, 59598, 61446, 62909, 63612, 63798, 64449, 65016, 65317, 66836, 67032, 67914, 68628, 69531, 71687, 71896, 71982, 73656, 74088, 74214, 74648, 75852, 75981, 77748, 78204, 79002, 79464, 80066, 80883, 81928, 82026, 83979, 85064, 85932, 86583, 87978, 88236, 88494, 89397, 90552, 90706, 92169, 92708, 95697, 95976, 98952, 100254, 100548, 101308, 101871, 102168, 102641, 102942, 105336, 107844, 109368, 111321, 111972, 113778, 115444, 116424, 116622, 116963, 117304, 117306, 117992, 119196, 120099, 122892, 125818, 127224, 127596, 128898, 130634, 131967, 132741, 133672, 135828, 136059, 137256, 139062, 143374, 143964, 148428, 150381, 151704, 151962, 154413, 155496, 156408, 158004, 160132, 161766, 162239, 164052, 167958, 171864, 173166, 174933, 175956, 175959, 176472, 176988, 177289, 178794, 181412, 184338, 185416, 188727, 191394, 195951, 200508, 201096, 202027, 202616, 203742, 205282, 205884, 208593, 215061, 215688, 222642, 223944, 227556, 227943, 230888, 233244, 233926, 234612, 238392, 240198, 242649, 245784, 251636, 251937, 255192, 257796, 259749, 261268, 263934, 265482, 271656, 272118, 276507, 278124, 278597, 280231, 286748, 287091, 287928, 296856, 300762, 303924, 307923, 308826, 316008, 317471, 320264, 323532, 324478, 328104, 335916, 346332, 349866, 350889, 351912, 351918, 353976, 354578, 357588, 360297, 362824, 368676, 377454, 382788, 391902, 395901, 398223, 401016, 404054, 407484, 408177, 410564, 411768, 417186, 430122, 440363, 445284, 451143, 455112, 455886, 457219, 466488, 467852, 469224, 480396, 485298, 486717, 503272, 503874, 515592, 519498, 522536, 527868, 530964, 531867, 544236, 553014, 556248, 557194, 560462, 566181, 573496, 574182, 587853, 601524, 606081, 607848, 615846, 617652, 625779, 634942, 645183, 647064, 648956, 671832, 683829, 692664, 699732, 701778, 703836, 709156, 715176, 718487, 720594, 737352, 754908, 765576, 779247, 783804, 791802, 796446, 808108, 814968, 816354, 821128, 834372, 835791, 840693, 860244, 880726, 890568, 902286, 911772, 914438, 923769, 935704, 952413, 960792, 970596, 973434, 1007748, 1038996, 1052667, 1055736, 1061928, 1063734, 1080891, 1088472, 1106028, 1114388, 1120924, 1132362, 1148364, 1175706, 1203048, 1212162, 1224531, 1231692, 1235304, 1241023, 1251558, 1269884, 1290366, 1297912, 1321089, 1367658, 1371657, 1399464, 1403556, 1407672, 1418312, 1436974, 1441188, 1460151, 1509816, 1558494, 1567608, 1583604, 1592892, 1595601, 1616216, 1632708, 1668744, 1671582, 1681386, 1698543, 1720488, 1761452, 1763559, 1804572, 1818243, 1823544, 1828876, 1847538, 1904826, 1935549, 1941192, 1946868, 1950179, 2015496, 2077992, 2105334, 2127468, 2155461, 2161782, 2212056, 2222297, 2228776, 2241848, 2264724, 2296728, 2351412, 2424324, 2449062, 2463384, 2482046, 2503116, 2507373, 2522079, 2539768, 2580732, 2642178, 2735316, 2743314, 2771307, 2807112, 2857239, 2873948, 2882376, 2920302, 3082541, 3116988, 3158001, 3167208, 3185784, 3191202, 3265416, 3343164, 3362772, 3397086, 3522904, 3527118, 3609144, 3636486, 3657752, 3695076, 3723069, 3809652, 3871098, 3893736, 3900358, 3963267, 4114971, 4210668, 4254936, 4310922, 4323564, 4380453, 4444594, 4529448, 4702824, 4786803, 4848648, 4898124, 4964092, 5006232, 5014746, 5029409, 5044158, 5161464, 5284356, 5454729, 5470632, 5486628, 5542614, 5714478, 5747896, 5840604, 5850537, 6165082, 6233976, 6316002, 6382404, 6466383, 6666891, 6686328, 6725544, 6794172, 7054236, 7272972, 7390152, 7446138, 7522119, 7566237, 7619304, 7742196, 7800716, 7926534, 8229942, 8421336, 8571717, 8621844, 8647128, 8687161, 8760906, 8889188, 9247623, 9573606, 9796248, 9928184, 10029492, 10058818, 10088316, 10568712, 10909458, 10973256, 11085228, 11169207, 11428956, 11681208, 11701074, 11889801, 12330164, 12344913, 12632004, 12764808, 12932766, 13333782, 13588344, 13651253, 14108472, 14545944, 14892276, 15044238, 15088227, 15132474, 15484392, 15601432, 15853068, 16459884, 17143434, 17243688, 17374322, 17521812, 17551611, 17778376, 18495246, 19147212, 19399149, 20000673, 20058984, 20117636, 20176632, 21818916, 22170456, 22338414, 22857912, 23402148, 23779602, 24660328, 24689826, 25264008, 25865532, 26061483, 26667564, 27302506, 27742869, 29784552, 30088476, 30176454, 30264948, 31706136, 32919768, 33507621, 34286868, 34748644, 35043624, 35103222, 36990492, 38294424, 38798298, 40001346, 40235272, 40953759, 43637832, 44676828, 45264681, 46804296, 47559204, 49379652, 51731064, 52122966, 52654833, 53335128, 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約数ペア:

[(1, 20640694536), (2, 10320347268), (3, 6880231512), (4, 5160173634), (6, 3440115756), (7, 2948670648), (8, 2580086817), (9, 2293410504), (11, 1876426776), (12, 1720057878), (14, 1474335324), (18, 1146705252), (19, 1086352344), (21, 982890216), (22, 938213388), (24, 860028939), (27, 764470168), (28, 737167662), (31, 665828856), (33, 625475592), (36, 573352626), (38, 543176172), (42, 491445108), (43, 480016152), (44, 469106694), (49, 421238664), (54, 382235084), (56, 368583831), (57, 362117448), (62, 332914428), (63, 327630072), (66, 312737796), (72, 286676313), (76, 271588086), (77, 268060968), (84, 245722554), (86, 240008076), (88, 234553347), (93, 221942952), (98, 210619332), (99, 208491864), (108, 191117542), (114, 181058724), (124, 166457214), (126, 163815036), (129, 160005384), (132, 156368898), (133, 155193192), (147, 140412888), (152, 135794043), (154, 134030484), (168, 122861277), (171, 120705816), (172, 120004038), (186, 110971476), (189, 109210024), (196, 105309666), (198, 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