20477195520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:561

約数の個数: 288

約数和(自身を含む): 66559180800

約数和(自身を除く): 46081985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 199, 211, 240, 254, 256, 320, 381, 384, 398, 422, 480, 508, 597, 633, 635, 640, 762, 768, 796, 844, 960, 995, 1016, 1055, 1194, 1266, 1270, 1280, 1524, 1592, 1688, 1905, 1920, 1990, 2032, 2110, 2388, 2532, 2540, 2985, 3048, 3165, 3184, 3376, 3810, 3840, 3980, 4064, 4220, 4776, 5064, 5080, 5970, 6096, 6330, 6368, 6752, 7620, 7960, 8128, 8440, 9552, 10128, 10160, 11940, 12192, 12660, 12736, 13504, 15240, 15920, 16256, 16880, 19104, 20256, 20320, 23880, 24384, 25273, 25320, 25472, 26797, 27008, 30480, 31840, 32512, 33760, 38208, 40512, 40640, 41989, 47760, 48768, 50546, 50640, 50944, 53594, 54016, 60960, 63680, 67520, 75819, 76416, 80391, 81024, 81280, 83978, 95520, 97536, 101092, 101280, 107188, 121920, 125967, 126365, 127360, 133985, 135040, 151638, 152832, 160782, 162048, 162560, 167956, 191040, 202184, 202560, 209945, 214376, 243840, 251934, 252730, 254720, 267970, 270080, 303276, 321564, 335912, 379095, 382080, 401955, 404368, 405120, 419890, 428752, 487680, 503868, 505460, 535940, 606552, 629835, 643128, 671824, 758190, 764160, 803910, 808736, 810240, 839780, 857504, 1007736, 1010920, 1071880, 1213104, 1259670, 1286256, 1343648, 1516380, 1607820, 1617472, 1679560, 1715008, 2015472, 2021840, 2143760, 2426208, 2519340, 2572512, 2687296, 3032760, 3215640, 3234944, 3359120, 3430016, 4030944, 4043680, 4287520, 4852416, 5038680, 5145024, 5332603, 5374592, 6065520, 6431280, 6469888, 6718240, 6860032, 8061888, 8087360, 8575040, 9704832, 10077360, 10290048, 10665206, 10749184, 12131040, 12862560, 13436480, 15997809, 16123776, 16174720, 17150080, 19409664, 20154720, 20580096, 21330412, 24262080, 25725120, 26663015, 26872960, 31995618, 32247552, 32349440, 34300160, 40309440, 42660824, 48524160, 51450240, 53326030, 53745920, 63991236, 79989045, 80618880, 85321648, 97048320, 102900480, 106652060, 127982472, 159978090, 161237760, 170643296, 213304120, 255964944, 319956180, 341286592, 426608240, 511929888, 639912360, 682573184, 853216480, 1023859776, 1279824720, 1365146368, 1706432960, 2047719552, 2559649440, 3412865920, 4095439104, 5119298880, 6825731840, 10238597760, 20477195520]

約数ペア:

[(1, 20477195520), (2, 10238597760), (3, 6825731840), (4, 5119298880), (5, 4095439104), (6, 3412865920), (8, 2559649440), (10, 2047719552), (12, 1706432960), (15, 1365146368), (16, 1279824720), (20, 1023859776), (24, 853216480), (30, 682573184), (32, 639912360), (40, 511929888), (48, 426608240), (60, 341286592), (64, 319956180), (80, 255964944), (96, 213304120), (120, 170643296), (127, 161237760), (128, 159978090), (160, 127982472), (192, 106652060), (199, 102900480), (211, 97048320), (240, 85321648), (254, 80618880), (256, 79989045), (320, 63991236), (381, 53745920), (384, 53326030), (398, 51450240), (422, 48524160), (480, 42660824), (508, 40309440), (597, 34300160), (633, 32349440), (635, 32247552), (640, 31995618), (762, 26872960), (768, 26663015), (796, 25725120), (844, 24262080), (960, 21330412), (995, 20580096), (1016, 20154720), (1055, 19409664), (1194, 17150080), (1266, 16174720), (1270, 16123776), (1280, 15997809), (1524, 13436480), (1592, 12862560), (1688, 12131040), (1905, 10749184), (1920, 10665206), (1990, 10290048), (2032, 10077360), (2110, 9704832), (2388, 8575040), (2532, 8087360), (2540, 8061888), (2985, 6860032), (3048, 6718240), (3165, 6469888), (3184, 6431280), (3376, 6065520), (3810, 5374592), (3840, 5332603), (3980, 5145024), (4064, 5038680), (4220, 4852416), (4776, 4287520), (5064, 4043680), (5080, 4030944), (5970, 3430016), (6096, 3359120), (6330, 3234944), (6368, 3215640), (6752, 3032760), (7620, 2687296), (7960, 2572512), (8128, 2519340), (8440, 2426208), (9552, 2143760), (10128, 2021840), (10160, 2015472), (11940, 1715008), (12192, 1679560), (12660, 1617472), (12736, 1607820), (13504, 1516380), (15240, 1343648), (15920, 1286256), (16256, 1259670), (16880, 1213104), (19104, 1071880), (20256, 1010920), (20320, 1007736), (23880, 857504), (24384, 839780), (25273, 810240), (25320, 808736), (25472, 803910), (26797, 764160), (27008, 758190), (30480, 671824), (31840, 643128), (32512, 629835), (33760, 606552), (38208, 535940), (40512, 505460), (40640, 503868), (41989, 487680), (47760, 428752), (48768, 419890), (50546, 405120), (50640, 404368), (50944, 401955), (53594, 382080), (54016, 379095), (60960, 335912), (63680, 321564), (67520, 303276), (75819, 270080), (76416, 267970), (80391, 254720), (81024, 252730), (81280, 251934), (83978, 243840), (95520, 214376), (97536, 209945), (101092, 202560), (101280, 202184), (107188, 191040), (121920, 167956), (125967, 162560), (126365, 162048), (127360, 160782), (133985, 152832), (135040, 151638)]