20685127680

素因数分解:

$2^{17}\times 3^3\times 5^1\times 7^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 576

約数和(自身を含む): 84556846080

約数和(自身を除く): 63871718400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 167, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 334, 336, 360, 378, 384, 420, 432, 448, 480, 501, 504, 512, 540, 560, 576, 630, 640, 668, 672, 720, 756, 768, 835, 840, 864, 896, 945, 960, 1002, 1008, 1024, 1080, 1120, 1152, 1169, 1260, 1280, 1336, 1344, 1440, 1503, 1512, 1536, 1670, 1680, 1728, 1792, 1890, 1920, 2004, 2016, 2048, 2160, 2240, 2304, 2338, 2505, 2520, 2560, 2672, 2688, 2880, 3006, 3024, 3072, 3340, 3360, 3456, 3507, 3584, 3780, 3840, 4008, 4032, 4096, 4320, 4480, 4509, 4608, 4676, 5010, 5040, 5120, 5344, 5376, 5760, 5845, 6012, 6048, 6144, 6680, 6720, 6912, 7014, 7168, 7515, 7560, 7680, 8016, 8064, 8192, 8640, 8960, 9018, 9216, 9352, 10020, 10080, 10240, 10521, 10688, 10752, 11520, 11690, 12024, 12096, 12288, 13360, 13440, 13824, 14028, 14336, 15030, 15120, 15360, 16032, 16128, 16384, 17280, 17535, 17920, 18036, 18432, 18704, 20040, 20160, 20480, 21042, 21376, 21504, 22545, 23040, 23380, 24048, 24192, 24576, 26720, 26880, 27648, 28056, 28672, 30060, 30240, 30720, 31563, 32064, 32256, 32768, 34560, 35070, 35840, 36072, 36864, 37408, 40080, 40320, 40960, 42084, 42752, 43008, 45090, 46080, 46760, 48096, 48384, 49152, 52605, 53440, 53760, 55296, 56112, 57344, 60120, 60480, 61440, 63126, 64128, 64512, 65536, 69120, 70140, 71680, 72144, 73728, 74816, 80160, 80640, 81920, 84168, 85504, 86016, 90180, 92160, 93520, 96192, 96768, 98304, 105210, 106880, 107520, 110592, 112224, 114688, 120240, 120960, 122880, 126252, 128256, 129024, 131072, 138240, 140280, 143360, 144288, 147456, 149632, 157815, 160320, 161280, 163840, 168336, 171008, 172032, 180360, 184320, 187040, 192384, 193536, 196608, 210420, 213760, 215040, 221184, 224448, 229376, 240480, 241920, 245760, 252504, 256512, 258048, 276480, 280560, 286720, 288576, 294912, 299264, 315630, 320640, 322560, 327680, 336672, 342016, 344064, 360720, 368640, 374080, 384768, 387072, 393216, 420840, 427520, 430080, 442368, 448896, 458752, 480960, 483840, 491520, 505008, 513024, 516096, 552960, 561120, 573440, 577152, 589824, 598528, 631260, 641280, 645120, 655360, 673344, 684032, 688128, 721440, 737280, 748160, 769536, 774144, 841680, 855040, 860160, 884736, 897792, 917504, 961920, 967680, 983040, 1010016, 1026048, 1032192, 1105920, 1122240, 1146880, 1154304, 1179648, 1197056, 1262520, 1282560, 1290240, 1346688, 1368064, 1376256, 1442880, 1474560, 1496320, 1539072, 1548288, 1683360, 1710080, 1720320, 1769472, 1795584, 1923840, 1935360, 1966080, 2020032, 2052096, 2064384, 2211840, 2244480, 2293760, 2308608, 2394112, 2525040, 2565120, 2580480, 2693376, 2736128, 2752512, 2885760, 2949120, 2992640, 3078144, 3096576, 3366720, 3420160, 3440640, 3538944, 3591168, 3847680, 3870720, 4040064, 4104192, 4128768, 4423680, 4488960, 4587520, 4617216, 4788224, 5050080, 5130240, 5160960, 5386752, 5472256, 5771520, 5898240, 5985280, 6156288, 6193152, 6733440, 6840320, 6881280, 7182336, 7695360, 7741440, 8080128, 8208384, 8257536, 8847360, 8977920, 9234432, 9576448, 10100160, 10260480, 10321920, 10773504, 10944512, 11543040, 11970560, 12312576, 12386304, 13466880, 13680640, 13762560, 14364672, 15390720, 15482880, 16160256, 16416768, 17694720, 17955840, 18468864, 19152896, 20200320, 20520960, 20643840, 21547008, 21889024, 23086080, 23941120, 24625152, 24772608, 26933760, 27361280, 28729344, 30781440, 30965760, 32320512, 32833536, 35911680, 36937728, 38305792, 40400640, 41041920, 41287680, 43094016, 46172160, 47882240, 49250304, 53867520, 54722560, 57458688, 61562880, 61931520, 64641024, 65667072, 71823360, 73875456, 76611584, 80801280, 82083840, 86188032, 92344320, 95764480, 98500608, 107735040, 109445120, 114917376, 123125760, 123863040, 129282048, 143646720, 147750912, 153223168, 161602560, 164167680, 172376064, 184688640, 191528960, 197001216, 215470080, 229834752, 246251520, 258564096, 287293440, 295501824, 323205120, 328335360, 344752128, 369377280, 383057920, 430940160, 459669504, 492503040, 517128192, 574586880, 591003648, 646410240, 689504256, 738754560, 766115840, 861880320, 985006080, 1034256384, 1149173760, 1292820480, 1379008512, 1477509120, 1723760640, 2068512768, 2298347520, 2585640960, 2955018240, 3447521280, 4137025536, 5171281920, 6895042560, 10342563840, 20685127680]

約数ペア:

[(1, 20685127680), (2, 10342563840), (3, 6895042560), (4, 5171281920), (5, 4137025536), (6, 3447521280), (7, 2955018240), (8, 2585640960), (9, 2298347520), (10, 2068512768), (12, 1723760640), (14, 1477509120), (15, 1379008512), (16, 1292820480), (18, 1149173760), (20, 1034256384), (21, 985006080), (24, 861880320), (27, 766115840), (28, 738754560), (30, 689504256), (32, 646410240), (35, 591003648), (36, 574586880), (40, 517128192), (42, 492503040), (45, 459669504), (48, 430940160), (54, 383057920), (56, 369377280), (60, 344752128), (63, 328335360), (64, 323205120), (70, 295501824), (72, 287293440), (80, 258564096), (84, 246251520), (90, 229834752), (96, 215470080), (105, 197001216), (108, 191528960), (112, 184688640), (120, 172376064), (126, 164167680), (128, 161602560), (135, 153223168), (140, 147750912), (144, 143646720), (160, 129282048), (167, 123863040), (168, 123125760), (180, 114917376), (189, 109445120), (192, 107735040), (210, 98500608), (216, 95764480), (224, 92344320), (240, 86188032), (252, 82083840), (256, 80801280), (270, 76611584), (280, 73875456), (288, 71823360), (315, 65667072), (320, 64641024), (334, 61931520), (336, 61562880), (360, 57458688), (378, 54722560), (384, 53867520), (420, 49250304), (432, 47882240), (448, 46172160), (480, 43094016), (501, 41287680), (504, 41041920), (512, 40400640), (540, 38305792), (560, 36937728), (576, 35911680), (630, 32833536), (640, 32320512), (668, 30965760), (672, 30781440), (720, 28729344), (756, 27361280), (768, 26933760), (835, 24772608), (840, 24625152), (864, 23941120), (896, 23086080), (945, 21889024), (960, 21547008), (1002, 20643840), (1008, 20520960), (1024, 20200320), (1080, 19152896), (1120, 18468864), (1152, 17955840), (1169, 17694720), (1260, 16416768), (1280, 16160256), (1336, 15482880), (1344, 15390720), (1440, 14364672), (1503, 13762560), (1512, 13680640), (1536, 13466880), (1670, 12386304), (1680, 12312576), (1728, 11970560), (1792, 11543040), (1890, 10944512), (1920, 10773504), (2004, 10321920), (2016, 10260480), (2048, 10100160), (2160, 9576448), (2240, 9234432), (2304, 8977920), (2338, 8847360), (2505, 8257536), (2520, 8208384), (2560, 8080128), (2672, 7741440), (2688, 7695360), (2880, 7182336), (3006, 6881280), (3024, 6840320), (3072, 6733440), (3340, 6193152), (3360, 6156288), (3456, 5985280), (3507, 5898240), (3584, 5771520), (3780, 5472256), (3840, 5386752), (4008, 5160960), (4032, 5130240), (4096, 5050080), (4320, 4788224), (4480, 4617216), (4509, 4587520), (4608, 4488960), (4676, 4423680), (5010, 4128768), (5040, 4104192), (5120, 4040064), (5344, 3870720), (5376, 3847680), (5760, 3591168), (5845, 3538944), (6012, 3440640), (6048, 3420160), (6144, 3366720), (6680, 3096576), (6720, 3078144), (6912, 2992640), (7014, 2949120), (7168, 2885760), (7515, 2752512), (7560, 2736128), (7680, 2693376), (8016, 2580480), (8064, 2565120), (8192, 2525040), (8640, 2394112), (8960, 2308608), (9018, 2293760), (9216, 2244480), (9352, 2211840), (10020, 2064384), (10080, 2052096), (10240, 2020032), (10521, 1966080), (10688, 1935360), (10752, 1923840), (11520, 1795584), (11690, 1769472), (12024, 1720320), (12096, 1710080), (12288, 1683360), (13360, 1548288), (13440, 1539072), (13824, 1496320), (14028, 1474560), (14336, 1442880), (15030, 1376256), (15120, 1368064), (15360, 1346688), (16032, 1290240), (16128, 1282560), (16384, 1262520), (17280, 1197056), (17535, 1179648), (17920, 1154304), (18036, 1146880), (18432, 1122240), (18704, 1105920), (20040, 1032192), (20160, 1026048), (20480, 1010016), (21042, 983040), (21376, 967680), (21504, 961920), (22545, 917504), (23040, 897792), (23380, 884736), (24048, 860160), (24192, 855040), (24576, 841680), (26720, 774144), (26880, 769536), (27648, 748160), (28056, 737280), (28672, 721440), (30060, 688128), (30240, 684032), (30720, 673344), (31563, 655360), (32064, 645120), (32256, 641280), (32768, 631260), (34560, 598528), (35070, 589824), (35840, 577152), (36072, 573440), (36864, 561120), (37408, 552960), (40080, 516096), (40320, 513024), (40960, 505008), (42084, 491520), (42752, 483840), (43008, 480960), (45090, 458752), (46080, 448896), (46760, 442368), (48096, 430080), (48384, 427520), (49152, 420840), (52605, 393216), (53440, 387072), (53760, 384768), (55296, 374080), (56112, 368640), (57344, 360720), (60120, 344064), (60480, 342016), (61440, 336672), (63126, 327680), (64128, 322560), (64512, 320640), (65536, 315630), (69120, 299264), (70140, 294912), (71680, 288576), (72144, 286720), (73728, 280560), (74816, 276480), (80160, 258048), (80640, 256512), (81920, 252504), (84168, 245760), (85504, 241920), (86016, 240480), (90180, 229376), (92160, 224448), (93520, 221184), (96192, 215040), (96768, 213760), (98304, 210420), (105210, 196608), (106880, 193536), (107520, 192384), (110592, 187040), (112224, 184320), (114688, 180360), (120240, 172032), (120960, 171008), (122880, 168336), (126252, 163840), (128256, 161280), (129024, 160320), (131072, 157815), (138240, 149632), (140280, 147456), (143360, 144288)]