20921496960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 768

約数和(自身を含む): 84436024320

約数和(自身を除く): 63514527360

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, 61, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 122, 128, 130, 140, 151, 156, 160, 168, 169, 182, 183, 192, 195, 208, 210, 224, 240, 244, 260, 273, 280, 302, 305, 312, 320, 336, 338, 364, 366, 384, 390, 416, 420, 427, 448, 453, 455, 480, 488, 507, 520, 546, 560, 604, 610, 624, 640, 672, 676, 728, 732, 755, 780, 793, 832, 840, 845, 854, 896, 906, 910, 915, 960, 976, 1014, 1040, 1057, 1092, 1120, 1183, 1208, 1220, 1248, 1281, 1344, 1352, 1365, 1456, 1464, 1510, 1560, 1586, 1664, 1680, 1690, 1708, 1812, 1820, 1830, 1920, 1952, 1963, 2028, 2080, 2114, 2135, 2184, 2240, 2265, 2366, 2379, 2416, 2440, 2496, 2535, 2562, 2688, 2704, 2730, 2912, 2928, 3020, 3120, 3171, 3172, 3360, 3380, 3416, 3549, 3624, 3640, 3660, 3904, 3926, 3965, 4056, 4160, 4228, 4270, 4368, 4480, 4530, 4732, 4758, 4832, 4880, 4992, 5070, 5124, 5285, 5408, 5460, 5551, 5824, 5856, 5889, 5915, 6040, 6240, 6342, 6344, 6405, 6720, 6760, 6832, 7098, 7248, 7280, 7320, 7808, 7852, 7930, 8112, 8320, 8456, 8540, 8736, 9060, 9211, 9464, 9516, 9664, 9760, 9815, 10140, 10248, 10309, 10570, 10816, 10920, 11102, 11648, 11712, 11778, 11830, 11895, 12080, 12480, 12684, 12688, 12810, 13440, 13520, 13664, 13741, 14196, 14496, 14560, 14640, 15704, 15855, 15860, 16224, 16653, 16912, 17080, 17472, 17745, 18120, 18422, 18928, 19032, 19328, 19520, 19630, 20280, 20496, 20618, 21140, 21632, 21840, 22204, 23424, 23556, 23660, 23790, 24160, 24960, 25368, 25376, 25519, 25620, 27040, 27328, 27482, 27633, 27755, 28392, 28992, 29120, 29280, 29445, 30927, 31408, 31710, 31720, 32448, 33306, 33824, 34160, 34944, 35490, 36240, 36844, 37856, 38064, 39040, 39260, 40560, 40992, 41223, 41236, 42280, 43680, 44408, 46055, 47112, 47320, 47580, 48320, 50736, 50752, 51038, 51240, 51545, 54080, 54656, 54964, 55266, 55510, 56784, 57984, 58240, 58560, 58890, 61854, 62816, 63420, 63440, 64477, 64896, 66612, 67648, 68320, 68705, 70980, 72163, 72480, 73688, 75712, 76128, 76557, 78520, 81120, 81984, 82446, 82472, 83265, 84560, 87360, 88816, 92110, 94224, 94640, 95160, 96640, 101472, 101504, 102076, 102480, 103090, 108160, 109928, 110532, 111020, 113568, 117120, 117780, 119743, 123708, 125632, 126840, 126880, 127595, 128954, 133224, 135296, 136640, 137410, 138165, 141960, 144326, 144960, 147376, 151424, 152256, 153114, 154635, 157040, 162240, 163968, 164892, 164944, 166530, 169120, 174720, 177632, 178633, 184220, 188448, 189280, 190320, 193431, 202944, 204152, 204960, 206115, 206180, 216489, 219856, 221064, 222040, 227136, 235560, 239486, 247416, 251264, 253680, 253760, 255190, 257908, 266448, 273280, 274820, 276330, 283920, 288652, 289920, 294752, 304512, 306228, 309270, 314080, 322385, 324480, 329784, 329888, 333060, 338240, 355264, 357266, 359229, 360815, 368440, 376896, 378560, 380640, 382785, 386862, 405888, 408304, 409920, 412230, 412360, 432978, 439712, 442128, 444080, 454272, 471120, 478972, 494832, 507360, 507520, 510380, 515816, 532896, 535899, 549640, 552660, 567840, 577304, 589504, 598715, 612456, 618540, 628160, 644770, 659568, 659776, 666120, 676480, 710528, 714532, 718458, 721630, 736880, 753792, 757120, 761280, 765570, 773724, 816608, 819840, 824460, 824720, 838201, 865956, 879424, 884256, 888160, 893165, 942240, 957944, 967155, 989664, 1014720, 1020760, 1031632, 1065792, 1071798, 1082445, 1099280, 1105320, 1135680, 1154608, 1179008, 1197430, 1224912, 1237080, 1256320, 1289540, 1319136, 1319552, 1332240, 1429064, 1436916, 1443260, 1473760, 1522560, 1531140, 1547448, 1556659, 1633216, 1648920, 1649440, 1676402, 1731912, 1758848, 1768512, 1776320, 1786330, 1796145, 1884480, 1915888, 1934310, 1979328, 2029440, 2041520, 2063264, 2131584, 2143596, 2164890, 2198560, 2210640, 2271360, 2309216, 2394860, 2449824, 2474160, 2514603, 2579080, 2638272, 2664480, 2679495, 2858128, 2873832, 2886520, 2947520, 3062280, 3094896, 3113318, 3266432, 3297840, 3298880, 3352804, 3463824, 3537024, 3552640, 3572660, 3592290, 3768960, 3831776, 3868620, 3958656, 4083040, 4126528, 4191005, 4287192, 4329780, 4397120, 4421280, 4618432, 4669977, 4789720, 4899648, 4948320, 5029206, 5158160, 5276544, 5328960, 5358990, 5716256, 5747664, 5773040, 5895040, 6124560, 6189792, 6226636, 6595680, 6597760, 6705608, 6927648, 7145320, 7184580, 7663552, 7737240, 7783295, 8166080, 8253056, 8382010, 8574384, 8659560, 8794240, 8842560, 9236864, 9339954, 9579440, 9799296, 9896640, 10058412, 10316320, 10657920, 10717980, 10896613, 11432512, 11495328, 11546080, 12249120, 12379584, 12453272, 12573015, 13191360, 13411216, 13855296, 14290640, 14369160, 15327104, 15474480, 15566590, 16332160, 16764020, 17148768, 17319120, 17685120, 18679908, 19158880, 19793280, 20116824, 20632640, 21435960, 21793226, 22865024, 22990656, 23092160, 23349885, 24498240, 24759168, 24906544, 25146030, 26382720, 26822432, 27710592, 28581280, 28738320, 30948960, 31133180, 32689839, 33528040, 34297536, 34638240, 37359816, 38317760, 40233648, 41265280, 42871920, 43586452, 45981312, 46184320, 46699770, 48996480, 49813088, 50292060, 53644864, 54483065, 57162560, 57476640, 61897920, 62266360, 65379678, 67056080, 68595072, 69276480, 74719632, 76635520, 80467296, 85743840, 87172904, 93399540, 99626176, 100584120, 107289728, 108966130, 114325120, 114953280, 123795840, 124532720, 130759356, 134112160, 138552960, 149439264, 160934592, 163449195, 171487680, 174345808, 186799080, 199252352, 201168240, 217932260, 229906560, 249065440, 261518712, 268224320, 298878528, 321869184, 326898390, 342975360, 348691616, 373598160, 402336480, 435864520, 498130880, 523037424, 536448640, 597757056, 653796780, 697383232, 747196320, 804672960, 871729040, 996261760, 1046074848, 1307593560, 1394766464, 1494392640, 1609345920, 1743458080, 2092149696, 2615187120, 2988785280, 3486916160, 4184299392, 5230374240, 6973832320, 10460748480, 20921496960]

約数ペア:

[(1, 20921496960), (2, 10460748480), (3, 6973832320), (4, 5230374240), (5, 4184299392), (6, 3486916160), (7, 2988785280), (8, 2615187120), (10, 2092149696), (12, 1743458080), (13, 1609345920), (14, 1494392640), (15, 1394766464), (16, 1307593560), (20, 1046074848), (21, 996261760), (24, 871729040), (26, 804672960), (28, 747196320), (30, 697383232), (32, 653796780), (35, 597757056), (39, 536448640), (40, 523037424), (42, 498130880), (48, 435864520), (52, 402336480), (56, 373598160), (60, 348691616), (61, 342975360), (64, 326898390), (65, 321869184), (70, 298878528), (78, 268224320), (80, 261518712), (84, 249065440), (91, 229906560), (96, 217932260), (104, 201168240), (105, 199252352), (112, 186799080), (120, 174345808), (122, 171487680), (128, 163449195), (130, 160934592), (140, 149439264), (151, 138552960), (156, 134112160), (160, 130759356), (168, 124532720), (169, 123795840), (182, 114953280), (183, 114325120), (192, 108966130), (195, 107289728), (208, 100584120), (210, 99626176), (224, 93399540), (240, 87172904), (244, 85743840), (260, 80467296), (273, 76635520), (280, 74719632), (302, 69276480), (305, 68595072), (312, 67056080), (320, 65379678), (336, 62266360), (338, 61897920), (364, 57476640), (366, 57162560), (384, 54483065), (390, 53644864), (416, 50292060), (420, 49813088), (427, 48996480), (448, 46699770), (453, 46184320), (455, 45981312), (480, 43586452), (488, 42871920), (507, 41265280), (520, 40233648), (546, 38317760), (560, 37359816), (604, 34638240), (610, 34297536), (624, 33528040), (640, 32689839), (672, 31133180), (676, 30948960), (728, 28738320), (732, 28581280), (755, 27710592), (780, 26822432), (793, 26382720), (832, 25146030), (840, 24906544), (845, 24759168), (854, 24498240), (896, 23349885), (906, 23092160), (910, 22990656), (915, 22865024), (960, 21793226), (976, 21435960), (1014, 20632640), (1040, 20116824), (1057, 19793280), (1092, 19158880), (1120, 18679908), (1183, 17685120), (1208, 17319120), (1220, 17148768), (1248, 16764020), (1281, 16332160), (1344, 15566590), (1352, 15474480), (1365, 15327104), (1456, 14369160), (1464, 14290640), (1510, 13855296), (1560, 13411216), (1586, 13191360), (1664, 12573015), (1680, 12453272), (1690, 12379584), (1708, 12249120), (1812, 11546080), (1820, 11495328), (1830, 11432512), (1920, 10896613), (1952, 10717980), (1963, 10657920), (2028, 10316320), (2080, 10058412), (2114, 9896640), (2135, 9799296), (2184, 9579440), (2240, 9339954), (2265, 9236864), (2366, 8842560), (2379, 8794240), (2416, 8659560), (2440, 8574384), (2496, 8382010), (2535, 8253056), (2562, 8166080), (2688, 7783295), (2704, 7737240), (2730, 7663552), (2912, 7184580), (2928, 7145320), (3020, 6927648), (3120, 6705608), (3171, 6597760), (3172, 6595680), (3360, 6226636), (3380, 6189792), (3416, 6124560), (3549, 5895040), (3624, 5773040), (3640, 5747664), (3660, 5716256), (3904, 5358990), (3926, 5328960), (3965, 5276544), (4056, 5158160), (4160, 5029206), (4228, 4948320), (4270, 4899648), (4368, 4789720), (4480, 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