20311845120

素因数分解:

$2^8\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 864

約数和(自身を含む): 87853409280

約数和(自身を除く): 67541564160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 162, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 243, 252, 256, 266, 270, 280, 285, 288, 304, 315, 320, 324, 336, 342, 360, 378, 380, 384, 399, 405, 420, 432, 448, 456, 480, 486, 491, 504, 513, 532, 540, 560, 567, 570, 576, 608, 630, 640, 648, 665, 672, 684, 720, 756, 760, 768, 798, 810, 840, 855, 864, 896, 912, 945, 960, 972, 982, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1152, 1197, 1215, 1216, 1260, 1280, 1296, 1330, 1344, 1368, 1440, 1473, 1512, 1520, 1539, 1596, 1620, 1680, 1701, 1710, 1728, 1792, 1824, 1890, 1920, 1944, 1964, 1995, 2016, 2052, 2128, 2160, 2240, 2268, 2280, 2304, 2394, 2430, 2432, 2455, 2520, 2565, 2592, 2660, 2688, 2736, 2835, 2880, 2946, 3024, 3040, 3078, 3192, 3240, 3360, 3402, 3420, 3437, 3456, 3591, 3648, 3780, 3840, 3888, 3928, 3990, 4032, 4104, 4256, 4320, 4419, 4480, 4536, 4560, 4617, 4788, 4860, 4864, 4910, 5040, 5130, 5184, 5320, 5376, 5472, 5670, 5760, 5892, 5985, 6048, 6080, 6156, 6384, 6480, 6720, 6804, 6840, 6874, 6912, 7182, 7296, 7365, 7560, 7695, 7776, 7856, 7980, 8064, 8208, 8505, 8512, 8640, 8838, 8960, 9072, 9120, 9234, 9329, 9576, 9720, 9820, 10080, 10260, 10311, 10368, 10640, 10773, 10944, 11340, 11520, 11784, 11970, 12096, 12160, 12312, 12768, 12960, 13257, 13440, 13608, 13680, 13748, 14364, 14592, 14730, 15120, 15390, 15552, 15712, 15960, 16128, 16416, 17010, 17024, 17185, 17280, 17676, 17955, 18144, 18240, 18468, 18658, 19152, 19440, 19640, 20160, 20520, 20622, 20736, 21280, 21546, 21888, 22095, 22680, 23085, 23568, 23940, 24192, 24320, 24624, 25536, 25920, 26514, 26880, 27216, 27360, 27496, 27987, 28728, 29460, 30240, 30780, 30933, 31104, 31424, 31920, 32319, 32832, 34020, 34048, 34370, 34560, 35352, 35910, 36288, 36480, 36936, 37316, 38304, 38880, 39280, 39771, 40320, 41040, 41244, 42560, 43092, 43776, 44190, 45360, 46170, 46645, 47136, 47880, 48384, 49248, 51072, 51555, 51840, 53028, 53865, 54432, 54720, 54992, 55974, 57456, 58920, 60480, 61560, 61866, 62208, 62848, 63840, 64638, 65303, 65664, 66285, 68040, 68740, 70704, 71820, 72576, 72960, 73872, 74632, 76608, 77760, 78560, 79542, 80640, 82080, 82488, 83961, 85120, 86184, 88380, 90720, 92340, 92799, 93290, 94272, 95760, 98496, 102144, 103110, 103680, 106056, 107730, 108864, 109440, 109984, 111948, 114912, 117840, 119313, 120960, 123120, 123732, 125696, 127680, 129276, 130606, 131328, 132570, 136080, 137480, 139935, 141408, 143640, 145152, 147744, 149264, 153216, 154665, 155520, 157120, 159084, 161595, 164160, 164976, 167922, 170240, 172368, 176760, 181440, 184680, 185598, 186580, 188544, 191520, 195909, 196992, 198855, 206220, 212112, 215460, 217728, 218880, 219968, 223896, 229824, 235680, 238626, 241920, 246240, 247464, 251883, 255360, 258552, 261212, 265140, 272160, 274960, 278397, 279870, 282816, 287280, 295488, 298528, 306432, 309330, 311040, 314240, 318168, 323190, 326515, 328320, 329952, 335844, 344736, 353520, 362880, 369360, 371196, 373160, 377088, 383040, 391818, 393984, 397710, 412440, 419805, 424224, 430920, 435456, 439936, 447792, 459648, 463995, 471360, 477252, 492480, 494928, 503766, 510720, 517104, 522424, 530280, 544320, 549920, 556794, 559740, 565632, 574560, 587727, 590976, 596565, 597056, 618660, 628480, 636336, 646380, 653030, 656640, 659904, 671688, 689472, 707040, 725760, 738720, 742392, 746320, 755649, 766080, 783636, 795420, 824880, 835191, 839610, 848448, 861840, 879872, 895584, 919296, 927990, 942720, 954504, 979545, 984960, 989856, 1007532, 1034208, 1044848, 1060560, 1088640, 1099840, 1113588, 1119480, 1131264, 1149120, 1175454, 1181952, 1193130, 1194112, 1237320, 1259415, 1272672, 1292760, 1306060, 1319808, 1343376, 1378944, 1391985, 1414080, 1477440, 1484784, 1492640, 1511298, 1532160, 1567272, 1590840, 1649760, 1670382, 1679220, 1696896, 1723680, 1763181, 1791168, 1855980, 1885440, 1909008, 1959090, 1969920, 1979712, 2015064, 2068416, 2089696, 2121120, 2177280, 2199680, 2227176, 2238960, 2266947, 2298240, 2350908, 2386260, 2388224, 2474640, 2518830, 2545344, 2585520, 2612120, 2639616, 2686752, 2757888, 2783970, 2828160, 2938635, 2954880, 2969568, 2985280, 3022596, 3134544, 3181680, 3299520, 3340764, 3358440, 3393792, 3447360, 3526362, 3582336, 3711960, 3778245, 3818016, 3918180, 3959424, 4030128, 4136832, 4175955, 4179392, 4242240, 4399360, 4454352, 4477920, 4533894, 4596480, 4701816, 4772520, 4949280, 5037660, 5090688, 5171040, 5224240, 5289543, 5373504, 5567940, 5656320, 5877270, 5909760, 5939136, 5970560, 6045192, 6269088, 6363360, 6599040, 6681528, 6716880, 6894720, 7052724, 7164672, 7423920, 7556490, 7636032, 7836360, 7918848, 8060256, 8273664, 8351910, 8358784, 8484480, 8815905, 8908704, 8955840, 9067788, 9403632, 9545040, 9898560, 10075320, 10181376, 10342080, 10448480, 10579086, 10747008, 11135880, 11334735, 11754540, 11878272, 11941120, 12090384, 12538176, 12726720, 13198080, 13363056, 13433760, 13789440, 14105448, 14847840, 15112980, 15272064, 15672720, 15868629, 16120512, 16703820, 16717568, 16968960, 17631810, 17817408, 17911680, 18135576, 18807264, 19090080, 19797120, 20150640, 20684160, 20896960, 21158172, 21494016, 22271760, 22669470, 23509080, 23756544, 24180768, 25076352, 25453440, 26447715, 26726112, 26867520, 28210896, 29695680, 30225960, 30544128, 31345440, 31737258, 32241024, 33407640, 35263620, 35634816, 35823360, 36271152, 37614528, 38180160, 39594240, 40301280, 41368320, 41793920, 42316344, 44543520, 45338940, 47018160, 48361536, 50152704, 50906880, 52895430, 53452224, 53735040, 56421792, 59391360, 60451920, 62690880, 63474516, 64482048, 66815280, 70527240, 71269632, 72542304, 75229056, 76360320, 79343145, 80602560, 83587840, 84632688, 89087040, 90677880, 94036320, 96723072, 105790860, 106904448, 107470080, 112843584, 118782720, 120903840, 125381760, 126949032, 133630560, 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約数ペア:

[(1, 20311845120), (2, 10155922560), (3, 6770615040), (4, 5077961280), (5, 4062369024), (6, 3385307520), (7, 2901692160), (8, 2538980640), (9, 2256871680), (10, 2031184512), (12, 1692653760), (14, 1450846080), (15, 1354123008), (16, 1269490320), (18, 1128435840), (19, 1069044480), (20, 1015592256), (21, 967230720), (24, 846326880), (27, 752290560), (28, 725423040), (30, 677061504), (32, 634745160), (35, 580338432), (36, 564217920), (38, 534522240), (40, 507796128), (42, 483615360), (45, 451374336), (48, 423163440), (54, 376145280), (56, 362711520), (57, 356348160), (60, 338530752), (63, 322410240), (64, 317372580), (70, 290169216), (72, 282108960), (76, 267261120), (80, 253898064), (81, 250763520), (84, 241807680), (90, 225687168), (95, 213808896), (96, 211581720), (105, 193446144), (108, 188072640), (112, 181355760), (114, 178174080), (120, 169265376), (126, 161205120), (128, 158686290), (133, 152720640), (135, 150458112), (140, 145084608), (144, 141054480), (152, 133630560), (160, 126949032), (162, 125381760), (168, 120903840), (171, 118782720), (180, 112843584), (189, 107470080), (190, 106904448), (192, 105790860), (210, 96723072), (216, 94036320), (224, 90677880), (228, 89087040), (240, 84632688), (243, 83587840), (252, 80602560), (256, 79343145), (266, 76360320), (270, 75229056), (280, 72542304), (285, 71269632), (288, 70527240), (304, 66815280), (315, 64482048), (320, 63474516), (324, 62690880), (336, 60451920), (342, 59391360), (360, 56421792), (378, 53735040), (380, 53452224), (384, 52895430), (399, 50906880), (405, 50152704), (420, 48361536), (432, 47018160), (448, 45338940), (456, 44543520), (480, 42316344), (486, 41793920), (491, 41368320), (504, 40301280), (513, 39594240), (532, 38180160), (540, 37614528), (560, 36271152), (567, 35823360), (570, 35634816), (576, 35263620), (608, 33407640), (630, 32241024), (640, 31737258), (648, 31345440), (665, 30544128), (672, 30225960), (684, 29695680), (720, 28210896), (756, 26867520), (760, 26726112), (768, 26447715), (798, 25453440), (810, 25076352), (840, 24180768), (855, 23756544), (864, 23509080), (896, 22669470), (912, 22271760), (945, 21494016), (960, 21158172), (972, 20896960), (982, 20684160), (1008, 20150640), (1026, 19797120), (1064, 19090080), (1080, 18807264), (1120, 18135576), (1134, 17911680), (1140, 17817408), (1152, 17631810), (1197, 16968960), (1215, 16717568), (1216, 16703820), (1260, 16120512), (1280, 15868629), (1296, 15672720), (1330, 15272064), (1344, 15112980), (1368, 14847840), (1440, 14105448), (1473, 13789440), (1512, 13433760), (1520, 13363056), (1539, 13198080), (1596, 12726720), (1620, 12538176), (1680, 12090384), (1701, 11941120), (1710, 11878272), (1728, 11754540), (1792, 11334735), (1824, 11135880), (1890, 10747008), (1920, 10579086), (1944, 10448480), (1964, 10342080), (1995, 10181376), (2016, 10075320), (2052, 9898560), (2128, 9545040), (2160, 9403632), (2240, 9067788), (2268, 8955840), (2280, 8908704), (2304, 8815905), (2394, 8484480), (2430, 8358784), (2432, 8351910), (2455, 8273664), (2520, 8060256), (2565, 7918848), (2592, 7836360), (2660, 7636032), (2688, 7556490), (2736, 7423920), (2835, 7164672), (2880, 7052724), (2946, 6894720), (3024, 6716880), (3040, 6681528), (3078, 6599040), (3192, 6363360), (3240, 6269088), (3360, 6045192), (3402, 5970560), (3420, 5939136), (3437, 5909760), (3456, 5877270), (3591, 5656320), (3648, 5567940), (3780, 5373504), (3840, 5289543), (3888, 5224240), (3928, 5171040), (3990, 5090688), (4032, 5037660), (4104, 4949280), (4256, 4772520), (4320, 4701816), (4419, 4596480), (4480, 4533894), (4536, 4477920), (4560, 4454352), (4617, 4399360), (4788, 4242240), (4860, 4179392), (4864, 4175955), (4910, 4136832), (5040, 4030128), (5130, 3959424), (5184, 3918180), (5320, 3818016), (5376, 3778245), (5472, 3711960), (5670, 3582336), (5760, 3526362), (5892, 3447360), (5985, 3393792), (6048, 3358440), (6080, 3340764), (6156, 3299520), (6384, 3181680), (6480, 3134544), (6720, 3022596), (6804, 2985280), (6840, 2969568), (6874, 2954880), (6912, 2938635), (7182, 2828160), (7296, 2783970), (7365, 2757888), (7560, 2686752), (7695, 2639616), (7776, 2612120), (7856, 2585520), (7980, 2545344), (8064, 2518830), (8208, 2474640), (8505, 2388224), (8512, 2386260), (8640, 2350908), (8838, 2298240), (8960, 2266947), (9072, 2238960), (9120, 2227176), (9234, 2199680), (9329, 2177280), (9576, 2121120), (9720, 2089696), (9820, 2068416), (10080, 2015064), (10260, 1979712), (10311, 1969920), (10368, 1959090), (10640, 1909008), (10773, 1885440), (10944, 1855980), (11340, 1791168), (11520, 1763181), (11784, 1723680), (11970, 1696896), (12096, 1679220), (12160, 1670382), (12312, 1649760), (12768, 1590840), (12960, 1567272), (13257, 1532160), (13440, 1511298), (13608, 1492640), (13680, 1484784), (13748, 1477440), (14364, 1414080), (14592, 1391985), (14730, 1378944), (15120, 1343376), (15390, 1319808), (15552, 1306060), (15712, 1292760), (15960, 1272672), (16128, 1259415), (16416, 1237320), (17010, 1194112), (17024, 1193130), (17185, 1181952), (17280, 1175454), (17676, 1149120), (17955, 1131264), (18144, 1119480), (18240, 1113588), (18468, 1099840), (18658, 1088640), (19152, 1060560), (19440, 1044848), (19640, 1034208), (20160, 1007532), (20520, 989856), (20622, 984960), (20736, 979545), (21280, 954504), (21546, 942720), (21888, 927990), (22095, 919296), (22680, 895584), (23085, 879872), (23568, 861840), (23940, 848448), (24192, 839610), (24320, 835191), (24624, 824880), (25536, 795420), (25920, 783636), (26514, 766080), (26880, 755649), (27216, 746320), (27360, 742392), (27496, 738720), (27987, 725760), (28728, 707040), (29460, 689472), (30240, 671688), (30780, 659904), (30933, 656640), (31104, 653030), (31424, 646380), (31920, 636336), (32319, 628480), (32832, 618660), (34020, 597056), (34048, 596565), (34370, 590976), (34560, 587727), (35352, 574560), (35910, 565632), (36288, 559740), (36480, 556794), (36936, 549920), (37316, 544320), (38304, 530280), (38880, 522424), (39280, 517104), (39771, 510720), (40320, 503766), (41040, 494928), (41244, 492480), (42560, 477252), (43092, 471360), (43776, 463995), (44190, 459648), (45360, 447792), (46170, 439936), (46645, 435456), (47136, 430920), (47880, 424224), (48384, 419805), (49248, 412440), (51072, 397710), (51555, 393984), (51840, 391818), (53028, 383040), (53865, 377088), (54432, 373160), (54720, 371196), (54992, 369360), (55974, 362880), (57456, 353520), (58920, 344736), (60480, 335844), (61560, 329952), (61866, 328320), (62208, 326515), (62848, 323190), (63840, 318168), (64638, 314240), (65303, 311040), (65664, 309330), (66285, 306432), (68040, 298528), (68740, 295488), (70704, 287280), (71820, 282816), (72576, 279870), (72960, 278397), (73872, 274960), (74632, 272160), (76608, 265140), (77760, 261212), (78560, 258552), (79542, 255360), (80640, 251883), (82080, 247464), (82488, 246240), (83961, 241920), (85120, 238626), (86184, 235680), (88380, 229824), (90720, 223896), (92340, 219968), (92799, 218880), (93290, 217728), (94272, 215460), (95760, 212112), (98496, 206220), (102144, 198855), (103110, 196992), (103680, 195909), (106056, 191520), (107730, 188544), (108864, 186580), (109440, 185598), (109984, 184680), (111948, 181440), (114912, 176760), (117840, 172368), (119313, 170240), (120960, 167922), (123120, 164976), (123732, 164160), (125696, 161595), (127680, 159084), (129276, 157120), (130606, 155520), (131328, 154665), (132570, 153216), (136080, 149264), (137480, 147744), (139935, 145152), (141408, 143640)]