20657735280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 720

約数和(自身を含む): 87224417280

約数和(自身を除く): 66566682000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 79, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 158, 168, 169, 180, 182, 195, 208, 210, 234, 237, 240, 252, 260, 273, 280, 307, 312, 315, 316, 336, 338, 360, 364, 390, 395, 420, 455, 468, 474, 504, 507, 520, 546, 553, 560, 585, 614, 624, 630, 632, 676, 711, 720, 728, 780, 790, 819, 840, 845, 910, 921, 936, 948, 1008, 1014, 1027, 1040, 1092, 1106, 1170, 1183, 1185, 1228, 1260, 1264, 1352, 1365, 1422, 1456, 1521, 1535, 1560, 1580, 1638, 1659, 1680, 1690, 1820, 1842, 1872, 1896, 2028, 2054, 2149, 2184, 2212, 2340, 2366, 2370, 2456, 2520, 2535, 2704, 2730, 2763, 2765, 2844, 3042, 3070, 3081, 3120, 3160, 3276, 3318, 3380, 3549, 3555, 3640, 3684, 3792, 3991, 4056, 4095, 4108, 4298, 4368, 4424, 4605, 4680, 4732, 4740, 4912, 4977, 5040, 5070, 5135, 5460, 5526, 5530, 5688, 5915, 6084, 6140, 6162, 6320, 6447, 6552, 6636, 6760, 7098, 7110, 7189, 7280, 7368, 7605, 7982, 8112, 8190, 8216, 8295, 8596, 8848, 9210, 9243, 9360, 9464, 9480, 9954, 10140, 10270, 10647, 10745, 10920, 11052, 11060, 11376, 11830, 11973, 12168, 12280, 12324, 12894, 13104, 13272, 13351, 13520, 13815, 14196, 14220, 14378, 14736, 15210, 15405, 15964, 16380, 16432, 16590, 17192, 17745, 18420, 18486, 18928, 18960, 19341, 19908, 19955, 20280, 20540, 21294, 21490, 21567, 21840, 22104, 22120, 23660, 23946, 24253, 24336, 24560, 24648, 24885, 25788, 26544, 26702, 27630, 27937, 28392, 28440, 28756, 30420, 30810, 31928, 32235, 32760, 33180, 34384, 35490, 35919, 35945, 36840, 36972, 38682, 39816, 39910, 40053, 40560, 41080, 42588, 42980, 43134, 44208, 44240, 46215, 47320, 47892, 48506, 49296, 49770, 51576, 51883, 53235, 53404, 55260, 55874, 56784, 56880, 57512, 59865, 60840, 61620, 63856, 64470, 64701, 65520, 66360, 66755, 70980, 71838, 71890, 72759, 73680, 73944, 77364, 79632, 79820, 80106, 82160, 83811, 85176, 85960, 86268, 92430, 93457, 94640, 95784, 96705, 97012, 99540, 103152, 103766, 106470, 106808, 107835, 110520, 111748, 115024, 119730, 120159, 121265, 121680, 123240, 128940, 129402, 132720, 133510, 139685, 141960, 143676, 143780, 145518, 147888, 154728, 155649, 159640, 160212, 167622, 169771, 170352, 171920, 172536, 179595, 184860, 186914, 191568, 193410, 194024, 199080, 200265, 207532, 212940, 213616, 215670, 218277, 221040, 223496, 239460, 240318, 242530, 246480, 251433, 257880, 258804, 259415, 267020, 279370, 280371, 283920, 287352, 287560, 291036, 309456, 311298, 315289, 319280, 320424, 323505, 335244, 339542, 345072, 359190, 363181, 363795, 369720, 373828, 386820, 388048, 398160, 400530, 415064, 419055, 425880, 431340, 436554, 446992, 466947, 467285, 478920, 480636, 485060, 502866, 509313, 515760, 517608, 518830, 534040, 558740, 560742, 574704, 575120, 582072, 600795, 622596, 630578, 640848, 647010, 670488, 679084, 718380, 726362, 727590, 739440, 747656, 773640, 778245, 801060, 830128, 838110, 841113, 848855, 851760, 862680, 873108, 933894, 934570, 945867, 957840, 961272, 970120, 1005732, 1018626, 1035216, 1037660, 1068080, 1089543, 1091385, 1117480, 1121484, 1164144, 1201590, 1245192, 1257165, 1261156, 1294020, 1340976, 1358168, 1401855, 1436760, 1452724, 1455180, 1495312, 1527939, 1547280, 1556490, 1576445, 1602120, 1676220, 1682226, 1697710, 1725360, 1746216, 1815905, 1867788, 1869140, 1891734, 1922544, 1940240, 2011464, 2037252, 2075320, 2179086, 2182770, 2207023, 2234960, 2242968, 2334735, 2403180, 2490384, 2514330, 2522312, 2546565, 2588040, 2716336, 2803710, 2837601, 2873520, 2905448, 2910360, 3055878, 3112980, 3152890, 3204240, 3268629, 3352440, 3364452, 3395420, 3492432, 3631810, 3735576, 3738280, 3783468, 4022928, 4074504, 4098757, 4150640, 4205565, 4358172, 4365540, 4414046, 4485936, 4669470, 4729335, 4806360, 5028660, 5044624, 5093130, 5176080, 5447715, 5607420, 5675202, 5810896, 5820720, 6111756, 6225960, 6305780, 6537258, 6621069, 6704880, 6728904, 6790840, 7263620, 7471152, 7476560, 7566936, 7639695, 8149008, 8197514, 8411130, 8716344, 8731080, 8828092, 9338940, 9458670, 9612720, 10057320, 10186260, 10895430, 11035115, 11214840, 11350404, 12223512, 12296271, 12451920, 12611560, 13074516, 13242138, 13457808, 13581680, 14188005, 14527240, 15133872, 15279390, 16343145, 16395028, 16822260, 17432688, 17462160, 17656184, 18677880, 18917340, 19863207, 20114640, 20372520, 20493785, 21790860, 22070230, 22429680, 22700808, 24447024, 24592542, 25223120, 26149032, 26484276, 28376010, 28691299, 29054480, 30558780, 32686290, 32790056, 33105345, 33644520, 35312368, 36888813, 37355760, 37834680, 39726414, 40745040, 40987570, 43581720, 44140460, 45401616, 49185084, 52298064, 52968552, 56752020, 57382598, 61117560, 61481355, 65372580, 65580112, 66210690, 67289040, 73777626, 75669360, 79452828, 81975140, 86073897, 87163440, 88280920, 98370168, 99316035, 105937104, 113504040, 114765196, 122235120, 122962710, 130745160, 132421380, 143456495, 147555252, 158905656, 163950280, 172147794, 176561840, 184444065, 196740336, 198632070, 227008080, 229530392, 245925420, 258221691, 261490320, 264842760, 286912990, 295110504, 317811312, 327900560, 344295588, 368888130, 397264140, 430369485, 459060784, 491850840, 516443382, 529685520, 573825980, 590221008, 688591176, 737776260, 794528280, 860738970, 983701680, 1032886764, 1147651960, 1291108455, 1377182352, 1475552520, 1589056560, 1721477940, 2065773528, 2295303920, 2582216910, 2951105040, 3442955880, 4131547056, 5164433820, 6885911760, 10328867640, 20657735280]

約数ペア:

[(1, 20657735280), (2, 10328867640), (3, 6885911760), (4, 5164433820), (5, 4131547056), (6, 3442955880), (7, 2951105040), (8, 2582216910), (9, 2295303920), (10, 2065773528), (12, 1721477940), (13, 1589056560), (14, 1475552520), (15, 1377182352), (16, 1291108455), (18, 1147651960), (20, 1032886764), (21, 983701680), (24, 860738970), (26, 794528280), (28, 737776260), (30, 688591176), (35, 590221008), (36, 573825980), (39, 529685520), (40, 516443382), (42, 491850840), (45, 459060784), (48, 430369485), (52, 397264140), (56, 368888130), (60, 344295588), (63, 327900560), (65, 317811312), (70, 295110504), (72, 286912990), (78, 264842760), (79, 261490320), (80, 258221691), (84, 245925420), (90, 229530392), (91, 227008080), (104, 198632070), (105, 196740336), (112, 184444065), (117, 176561840), (120, 172147794), (126, 163950280), (130, 158905656), (140, 147555252), (144, 143456495), (156, 132421380), (158, 130745160), (168, 122962710), (169, 122235120), (180, 114765196), (182, 113504040), (195, 105937104), (208, 99316035), (210, 98370168), (234, 88280920), (237, 87163440), (240, 86073897), (252, 81975140), (260, 79452828), (273, 75669360), (280, 73777626), (307, 67289040), (312, 66210690), (315, 65580112), (316, 65372580), (336, 61481355), (338, 61117560), (360, 57382598), (364, 56752020), (390, 52968552), (395, 52298064), (420, 49185084), (455, 45401616), (468, 44140460), (474, 43581720), (504, 40987570), (507, 40745040), (520, 39726414), (546, 37834680), (553, 37355760), (560, 36888813), (585, 35312368), (614, 33644520), (624, 33105345), (630, 32790056), (632, 32686290), (676, 30558780), (711, 29054480), (720, 28691299), (728, 28376010), (780, 26484276), (790, 26149032), (819, 25223120), (840, 24592542), (845, 24447024), (910, 22700808), (921, 22429680), (936, 22070230), (948, 21790860), (1008, 20493785), (1014, 20372520), (1027, 20114640), (1040, 19863207), (1092, 18917340), (1106, 18677880), (1170, 17656184), (1183, 17462160), (1185, 17432688), (1228, 16822260), (1260, 16395028), (1264, 16343145), (1352, 15279390), (1365, 15133872), (1422, 14527240), (1456, 14188005), (1521, 13581680), (1535, 13457808), (1560, 13242138), (1580, 13074516), (1638, 12611560), (1659, 12451920), (1680, 12296271), (1690, 12223512), (1820, 11350404), (1842, 11214840), (1872, 11035115), (1896, 10895430), (2028, 10186260), (2054, 10057320), (2149, 9612720), (2184, 9458670), (2212, 9338940), (2340, 8828092), (2366, 8731080), (2370, 8716344), (2456, 8411130), (2520, 8197514), (2535, 8149008), (2704, 7639695), (2730, 7566936), (2763, 7476560), (2765, 7471152), (2844, 7263620), (3042, 6790840), (3070, 6728904), (3081, 6704880), (3120, 6621069), (3160, 6537258), (3276, 6305780), (3318, 6225960), (3380, 6111756), (3549, 5820720), (3555, 5810896), (3640, 5675202), (3684, 5607420), (3792, 5447715), (3991, 5176080), (4056, 5093130), (4095, 5044624), (4108, 5028660), (4298, 4806360), (4368, 4729335), (4424, 4669470), (4605, 4485936), (4680, 4414046), (4732, 4365540), (4740, 4358172), (4912, 4205565), (4977, 4150640), (5040, 4098757), (5070, 4074504), (5135, 4022928), (5460, 3783468), (5526, 3738280), (5530, 3735576), (5688, 3631810), (5915, 3492432), (6084, 3395420), (6140, 3364452), (6162, 3352440), (6320, 3268629), (6447, 3204240), (6552, 3152890), (6636, 3112980), (6760, 3055878), (7098, 2910360), (7110, 2905448), (7189, 2873520), (7280, 2837601), (7368, 2803710), (7605, 2716336), (7982, 2588040), (8112, 2546565), (8190, 2522312), (8216, 2514330), (8295, 2490384), (8596, 2403180), (8848, 2334735), (9210, 2242968), (9243, 2234960), (9360, 2207023), (9464, 2182770), (9480, 2179086), (9954, 2075320), (10140, 2037252), (10270, 2011464), (10647, 1940240), (10745, 1922544), (10920, 1891734), (11052, 1869140), (11060, 1867788), (11376, 1815905), (11830, 1746216), (11973, 1725360), (12168, 1697710), (12280, 1682226), (12324, 1676220), (12894, 1602120), (13104, 1576445), (13272, 1556490), (13351, 1547280), (13520, 1527939), (13815, 1495312), (14196, 1455180), (14220, 1452724), (14378, 1436760), (14736, 1401855), (15210, 1358168), (15405, 1340976), (15964, 1294020), (16380, 1261156), (16432, 1257165), (16590, 1245192), (17192, 1201590), (17745, 1164144), (18420, 1121484), (18486, 1117480), (18928, 1091385), (18960, 1089543), (19341, 1068080), (19908, 1037660), (19955, 1035216), (20280, 1018626), (20540, 1005732), (21294, 970120), (21490, 961272), (21567, 957840), (21840, 945867), (22104, 934570), (22120, 933894), (23660, 873108), (23946, 862680), (24253, 851760), (24336, 848855), (24560, 841113), (24648, 838110), (24885, 830128), (25788, 801060), (26544, 778245), (26702, 773640), (27630, 747656), (27937, 739440), (28392, 727590), (28440, 726362), (28756, 718380), (30420, 679084), (30810, 670488), (31928, 647010), (32235, 640848), (32760, 630578), (33180, 622596), (34384, 600795), (35490, 582072), (35919, 575120), (35945, 574704), (36840, 560742), (36972, 558740), (38682, 534040), (39816, 518830), (39910, 517608), (40053, 515760), (40560, 509313), (41080, 502866), (42588, 485060), (42980, 480636), (43134, 478920), (44208, 467285), (44240, 466947), (46215, 446992), (47320, 436554), (47892, 431340), (48506, 425880), (49296, 419055), (49770, 415064), (51576, 400530), (51883, 398160), (53235, 388048), (53404, 386820), (55260, 373828), (55874, 369720), (56784, 363795), (56880, 363181), (57512, 359190), (59865, 345072), (60840, 339542), (61620, 335244), (63856, 323505), (64470, 320424), (64701, 319280), (65520, 315289), (66360, 311298), (66755, 309456), (70980, 291036), (71838, 287560), (71890, 287352), (72759, 283920), (73680, 280371), (73944, 279370), (77364, 267020), (79632, 259415), (79820, 258804), (80106, 257880), (82160, 251433), (83811, 246480), (85176, 242530), (85960, 240318), (86268, 239460), (92430, 223496), (93457, 221040), (94640, 218277), (95784, 215670), (96705, 213616), (97012, 212940), (99540, 207532), (103152, 200265), (103766, 199080), (106470, 194024), (106808, 193410), (107835, 191568), (110520, 186914), (111748, 184860), (115024, 179595), (119730, 172536), (120159, 171920), (121265, 170352), (121680, 169771), (123240, 167622), (128940, 160212), (129402, 159640), (132720, 155649), (133510, 154728), (139685, 147888), (141960, 145518), (143676, 143780)]