20581470000

素因数分解:

$2^4\times 3^2\times 5^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 900

約数和(自身を含む): 90419369040

約数和(自身を除く): 69837899040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 49, 50, 52, 56, 60, 63, 65, 70, 72, 75, 78, 80, 84, 90, 91, 98, 100, 104, 105, 112, 117, 120, 125, 126, 130, 140, 144, 147, 150, 156, 168, 175, 180, 182, 195, 196, 200, 208, 210, 225, 234, 240, 245, 250, 252, 260, 273, 280, 294, 300, 312, 315, 325, 336, 350, 359, 360, 364, 375, 390, 392, 400, 420, 441, 450, 455, 468, 490, 500, 504, 520, 525, 546, 560, 585, 588, 600, 624, 625, 630, 637, 650, 700, 718, 720, 728, 735, 750, 780, 784, 819, 840, 875, 882, 900, 910, 936, 975, 980, 1000, 1008, 1040, 1050, 1077, 1092, 1125, 1170, 1176, 1200, 1225, 1250, 1260, 1274, 1300, 1365, 1400, 1436, 1456, 1470, 1500, 1560, 1575, 1625, 1638, 1680, 1750, 1764, 1795, 1800, 1820, 1872, 1875, 1911, 1950, 1960, 2000, 2100, 2154, 2184, 2205, 2250, 2275, 2340, 2352, 2450, 2500, 2513, 2520, 2548, 2600, 2625, 2730, 2800, 2872, 2925, 2940, 3000, 3120, 3150, 3185, 3231, 3250, 3276, 3500, 3528, 3590, 3600, 3640, 3675, 3750, 3822, 3900, 3920, 4095, 4200, 4308, 4368, 4375, 4410, 4500, 4550, 4667, 4680, 4875, 4900, 5000, 5026, 5040, 5096, 5200, 5250, 5385, 5460, 5625, 5733, 5744, 5850, 5880, 6000, 6125, 6300, 6370, 6462, 6500, 6552, 6825, 7000, 7056, 7180, 7280, 7350, 7500, 7539, 7644, 7800, 7875, 8125, 8190, 8400, 8616, 8750, 8820, 8975, 9000, 9100, 9334, 9360, 9555, 9750, 9800, 10000, 10052, 10192, 10500, 10770, 10920, 11025, 11250, 11375, 11466, 11700, 11760, 12250, 12565, 12600, 12740, 12924, 13000, 13104, 13125, 13650, 14000, 14001, 14360, 14625, 14700, 15000, 15078, 15288, 15600, 15750, 15925, 16155, 16250, 16380, 17232, 17500, 17591, 17640, 17950, 18000, 18200, 18375, 18668, 19110, 19500, 19600, 20104, 20475, 21000, 21540, 21840, 22050, 22500, 22617, 22750, 22932, 23335, 23400, 24375, 24500, 25130, 25200, 25480, 25848, 26000, 26250, 26925, 27300, 28002, 28665, 28720, 29250, 29400, 30000, 30156, 30576, 30625, 31500, 31850, 32310, 32500, 32669, 32760, 34125, 35000, 35182, 35280, 35900, 36400, 36750, 37336, 37695, 38220, 39000, 39375, 40208, 40950, 42000, 42003, 43080, 44100, 44875, 45000, 45234, 45500, 45864, 46670, 46800, 47775, 48750, 49000, 50260, 50960, 51696, 52500, 52773, 53850, 54600, 55125, 56004, 56875, 57330, 58500, 58800, 60312, 61250, 62825, 63000, 63700, 64620, 65000, 65338, 65520, 68250, 70000, 70005, 70364, 71800, 73125, 73500, 74672, 75390, 76440, 78000, 78750, 79625, 80775, 81900, 84006, 86160, 87955, 88200, 89750, 90000, 90468, 91000, 91728, 91875, 93340, 95550, 97500, 98000, 98007, 100520, 102375, 105000, 105546, 107700, 109200, 110250, 112008, 113085, 113750, 114660, 116675, 117000, 120624, 122500, 125650, 126000, 127400, 129240, 130000, 130676, 134625, 136500, 140010, 140728, 143325, 143600, 146250, 147000, 150780, 152880, 157500, 158319, 159250, 161550, 163345, 163800, 168012, 170625, 175910, 176400, 179500, 180936, 182000, 183750, 186680, 188475, 191100, 195000, 196014, 201040, 204750, 210000, 210015, 211092, 215400, 220500, 224016, 224375, 226170, 227500, 228683, 229320, 233350, 234000, 238875, 245000, 251300, 254800, 258480, 261352, 263865, 269250, 273000, 275625, 280020, 281456, 286650, 292500, 294000, 294021, 301560, 314125, 315000, 316638, 318500, 323100, 326690, 327600, 336024, 341250, 350025, 351820, 359000, 361872, 367500, 373360, 376950, 382200, 390000, 392028, 398125, 403875, 409500, 420030, 422184, 430800, 439775, 441000, 448750, 452340, 455000, 457366, 458640, 466700, 477750, 490000, 490035, 502600, 511875, 522704, 527730, 538500, 546000, 551250, 560040, 565425, 573300, 583375, 585000, 588042, 603120, 628250, 630000, 633276, 637000, 646200, 653380, 672048, 673125, 682500, 686049, 700050, 703640, 716625, 718000, 735000, 753900, 764400, 784056, 791595, 796250, 807750, 816725, 819000, 840060, 844368, 879550, 882000, 897500, 904680, 910000, 914732, 933400, 942375, 955500, 980070, 1005200, 1023750, 1050075, 1055460, 1077000, 1102500, 1120080, 1130850, 1143415, 1146600, 1166750, 1170000, 1176084, 1194375, 1256500, 1266552, 1274000, 1292400, 1306760, 1319325, 1346250, 1365000, 1372098, 1400100, 1407280, 1433250, 1470000, 1470105, 1507800, 1568112, 1570625, 1583190, 1592500, 1615500, 1633450, 1638000, 1680120, 1750125, 1759100, 1795000, 1809360, 1829464, 1866800, 1884750, 1911000, 1960140, 2019375, 2047500, 2058147, 2100150, 2110920, 2154000, 2198875, 2205000, 2261700, 2286830, 2293200, 2333500, 2352168, 2388750, 2450175, 2513000, 2533104, 2613520, 2638650, 2692500, 2730000, 2744196, 2800200, 2827125, 2866500, 2916875, 2940210, 3015600, 3141250, 3166380, 3185000, 3231000, 3266900, 3360240, 3430245, 3500250, 3518200, 3583125, 3590000, 3658928, 3769500, 3822000, 3920280, 3957975, 4038750, 4083625, 4095000, 4116294, 4200300, 4221840, 4397750, 4410000, 4523400, 4573660, 4667000, 4704336, 4711875, 4777500, 4900350, 5026000, 5250375, 5277300, 5385000, 5488392, 5600400, 5654250, 5717075, 5733000, 5833750, 5880420, 6282500, 6332760, 6370000, 6462000, 6533800, 6596625, 6860490, 7000500, 7036400, 7166250, 7350525, 7539000, 7840560, 7915950, 8077500, 8167250, 8190000, 8232588, 8400600, 8750625, 8795500, 9046800, 9147320, 9334000, 9423750, 9555000, 9800700, 10290735, 10500750, 10554600, 10770000, 10976784, 10994375, 11308500, 11434150, 11466000, 11667500, 11760840, 12250875, 12565000, 12665520, 13067600, 13193250, 13720980, 14001000, 14135625, 14332500, 14701050, 15078000, 15831900, 16155000, 16334500, 16465176, 16801200, 17151225, 17501250, 17591000, 18294640, 18847500, 19110000, 19601400, 19789875, 20418125, 20581470, 21001500, 21109200, 21988750, 22617000, 22868300, 23335000, 23521680, 24501750, 25130000, 26251875, 26386500, 27441960, 28002000, 28271250, 28585375, 28665000, 29402100, 31663800, 32310000, 32669000, 32930352, 32983125, 34302450, 35002500, 35182000, 36752625, 37695000, 39202800, 39579750, 40836250, 41162940, 42003000, 43977500, 45234000, 45736600, 46670000, 49003500, 51453675, 52503750, 52773000, 54883920, 56542500, 57170750, 57330000, 58804200, 61254375, 63327600, 65338000, 65966250, 68604900, 70005000, 73505250, 75390000, 79159500, 81672500, 82325880, 84006000, 85756125, 87955000, 91473200, 98007000, 98949375, 102907350, 105007500, 105546000, 113085000, 114341500, 117608400, 122508750, 131932500, 137209800, 140010000, 142926875, 147010500, 158319000, 163345000, 164651760, 171512250, 175910000, 183763125, 196014000, 197898750, 205814700, 210015000, 226170000, 228683000, 245017500, 257268375, 263865000, 274419600, 285853750, 294021000, 316638000, 326690000, 343024500, 367526250, 395797500, 411629400, 420030000, 428780625, 457366000, 490035000, 514536750, 527730000, 571707500, 588042000, 686049000, 735052500, 791595000, 823258800, 857561250, 980070000, 1029073500, 1143415000, 1286341875, 1372098000, 1470105000, 1583190000, 1715122500, 2058147000, 2286830000, 2572683750, 2940210000, 3430245000, 4116294000, 5145367500, 6860490000, 10290735000, 20581470000]

約数ペア:

[(1, 20581470000), (2, 10290735000), (3, 6860490000), (4, 5145367500), (5, 4116294000), (6, 3430245000), (7, 2940210000), (8, 2572683750), (9, 2286830000), (10, 2058147000), (12, 1715122500), (13, 1583190000), (14, 1470105000), (15, 1372098000), (16, 1286341875), (18, 1143415000), (20, 1029073500), (21, 980070000), (24, 857561250), (25, 823258800), (26, 791595000), (28, 735052500), (30, 686049000), (35, 588042000), (36, 571707500), (39, 527730000), (40, 514536750), (42, 490035000), (45, 457366000), (48, 428780625), (49, 420030000), (50, 411629400), (52, 395797500), (56, 367526250), (60, 343024500), (63, 326690000), (65, 316638000), (70, 294021000), (72, 285853750), (75, 274419600), (78, 263865000), (80, 257268375), (84, 245017500), (90, 228683000), (91, 226170000), (98, 210015000), (100, 205814700), (104, 197898750), (105, 196014000), (112, 183763125), (117, 175910000), (120, 171512250), (125, 164651760), (126, 163345000), (130, 158319000), (140, 147010500), (144, 142926875), (147, 140010000), (150, 137209800), (156, 131932500), (168, 122508750), (175, 117608400), (180, 114341500), (182, 113085000), (195, 105546000), (196, 105007500), (200, 102907350), (208, 98949375), (210, 98007000), (225, 91473200), (234, 87955000), (240, 85756125), (245, 84006000), (250, 82325880), (252, 81672500), (260, 79159500), (273, 75390000), (280, 73505250), (294, 70005000), (300, 68604900), (312, 65966250), (315, 65338000), (325, 63327600), (336, 61254375), (350, 58804200), (359, 57330000), (360, 57170750), (364, 56542500), (375, 54883920), (390, 52773000), (392, 52503750), (400, 51453675), (420, 49003500), (441, 46670000), (450, 45736600), (455, 45234000), (468, 43977500), (490, 42003000), (500, 41162940), (504, 40836250), (520, 39579750), (525, 39202800), (546, 37695000), (560, 36752625), (585, 35182000), (588, 35002500), (600, 34302450), (624, 32983125), (625, 32930352), (630, 32669000), (637, 32310000), (650, 31663800), (700, 29402100), (718, 28665000), (720, 28585375), (728, 28271250), (735, 28002000), (750, 27441960), (780, 26386500), (784, 26251875), (819, 25130000), (840, 24501750), (875, 23521680), (882, 23335000), (900, 22868300), (910, 22617000), (936, 21988750), (975, 21109200), (980, 21001500), (1000, 20581470), (1008, 20418125), (1040, 19789875), (1050, 19601400), (1077, 19110000), (1092, 18847500), (1125, 18294640), (1170, 17591000), (1176, 17501250), (1200, 17151225), (1225, 16801200), (1250, 16465176), (1260, 16334500), (1274, 16155000), (1300, 15831900), (1365, 15078000), (1400, 14701050), (1436, 14332500), (1456, 14135625), (1470, 14001000), (1500, 13720980), (1560, 13193250), (1575, 13067600), (1625, 12665520), (1638, 12565000), (1680, 12250875), (1750, 11760840), (1764, 11667500), (1795, 11466000), (1800, 11434150), (1820, 11308500), (1872, 10994375), (1875, 10976784), (1911, 10770000), (1950, 10554600), (1960, 10500750), (2000, 10290735), (2100, 9800700), (2154, 9555000), (2184, 9423750), (2205, 9334000), (2250, 9147320), (2275, 9046800), (2340, 8795500), (2352, 8750625), (2450, 8400600), (2500, 8232588), (2513, 8190000), (2520, 8167250), (2548, 8077500), (2600, 7915950), (2625, 7840560), (2730, 7539000), (2800, 7350525), (2872, 7166250), (2925, 7036400), (2940, 7000500), (3000, 6860490), (3120, 6596625), (3150, 6533800), (3185, 6462000), (3231, 6370000), (3250, 6332760), (3276, 6282500), (3500, 5880420), (3528, 5833750), (3590, 5733000), (3600, 5717075), (3640, 5654250), (3675, 5600400), (3750, 5488392), (3822, 5385000), (3900, 5277300), (3920, 5250375), (4095, 5026000), (4200, 4900350), (4308, 4777500), (4368, 4711875), (4375, 4704336), (4410, 4667000), (4500, 4573660), (4550, 4523400), (4667, 4410000), (4680, 4397750), (4875, 4221840), (4900, 4200300), (5000, 4116294), (5026, 4095000), (5040, 4083625), (5096, 4038750), (5200, 3957975), (5250, 3920280), (5385, 3822000), (5460, 3769500), (5625, 3658928), (5733, 3590000), (5744, 3583125), (5850, 3518200), (5880, 3500250), (6000, 3430245), (6125, 3360240), (6300, 3266900), (6370, 3231000), (6462, 3185000), (6500, 3166380), (6552, 3141250), (6825, 3015600), (7000, 2940210), (7056, 2916875), (7180, 2866500), (7280, 2827125), (7350, 2800200), (7500, 2744196), (7539, 2730000), (7644, 2692500), (7800, 2638650), (7875, 2613520), (8125, 2533104), (8190, 2513000), (8400, 2450175), (8616, 2388750), (8750, 2352168), (8820, 2333500), (8975, 2293200), (9000, 2286830), (9100, 2261700), (9334, 2205000), (9360, 2198875), (9555, 2154000), (9750, 2110920), (9800, 2100150), (10000, 2058147), (10052, 2047500), (10192, 2019375), (10500, 1960140), (10770, 1911000), (10920, 1884750), (11025, 1866800), (11250, 1829464), (11375, 1809360), (11466, 1795000), (11700, 1759100), (11760, 1750125), (12250, 1680120), (12565, 1638000), (12600, 1633450), (12740, 1615500), (12924, 1592500), (13000, 1583190), (13104, 1570625), (13125, 1568112), (13650, 1507800), (14000, 1470105), (14001, 1470000), (14360, 1433250), (14625, 1407280), (14700, 1400100), (15000, 1372098), (15078, 1365000), (15288, 1346250), (15600, 1319325), (15750, 1306760), (15925, 1292400), (16155, 1274000), (16250, 1266552), (16380, 1256500), (17232, 1194375), (17500, 1176084), (17591, 1170000), (17640, 1166750), (17950, 1146600), (18000, 1143415), (18200, 1130850), (18375, 1120080), (18668, 1102500), (19110, 1077000), (19500, 1055460), (19600, 1050075), (20104, 1023750), (20475, 1005200), (21000, 980070), (21540, 955500), (21840, 942375), (22050, 933400), (22500, 914732), (22617, 910000), (22750, 904680), (22932, 897500), (23335, 882000), (23400, 879550), (24375, 844368), (24500, 840060), (25130, 819000), (25200, 816725), (25480, 807750), (25848, 796250), (26000, 791595), (26250, 784056), (26925, 764400), (27300, 753900), (28002, 735000), (28665, 718000), (28720, 716625), (29250, 703640), (29400, 700050), (30000, 686049), (30156, 682500), (30576, 673125), (30625, 672048), (31500, 653380), (31850, 646200), (32310, 637000), (32500, 633276), (32669, 630000), (32760, 628250), (34125, 603120), (35000, 588042), (35182, 585000), (35280, 583375), (35900, 573300), (36400, 565425), (36750, 560040), (37336, 551250), (37695, 546000), (38220, 538500), (39000, 527730), (39375, 522704), (40208, 511875), (40950, 502600), (42000, 490035), (42003, 490000), (43080, 477750), (44100, 466700), (44875, 458640), (45000, 457366), (45234, 455000), (45500, 452340), (45864, 448750), (46670, 441000), (46800, 439775), (47775, 430800), (48750, 422184), (49000, 420030), (50260, 409500), (50960, 403875), (51696, 398125), (52500, 392028), (52773, 390000), (53850, 382200), (54600, 376950), (55125, 373360), (56004, 367500), (56875, 361872), (57330, 359000), (58500, 351820), (58800, 350025), (60312, 341250), (61250, 336024), (62825, 327600), (63000, 326690), (63700, 323100), (64620, 318500), (65000, 316638), (65338, 315000), (65520, 314125), (68250, 301560), (70000, 294021), (70005, 294000), (70364, 292500), (71800, 286650), (73125, 281456), (73500, 280020), (74672, 275625), (75390, 273000), (76440, 269250), (78000, 263865), (78750, 261352), (79625, 258480), (80775, 254800), (81900, 251300), (84006, 245000), (86160, 238875), (87955, 234000), (88200, 233350), (89750, 229320), (90000, 228683), (90468, 227500), (91000, 226170), (91728, 224375), (91875, 224016), (93340, 220500), (95550, 215400), (97500, 211092), (98000, 210015), (98007, 210000), (100520, 204750), (102375, 201040), (105000, 196014), (105546, 195000), (107700, 191100), (109200, 188475), (110250, 186680), (112008, 183750), (113085, 182000), (113750, 180936), (114660, 179500), (116675, 176400), (117000, 175910), (120624, 170625), (122500, 168012), (125650, 163800), (126000, 163345), (127400, 161550), (129240, 159250), (130000, 158319), (130676, 157500), (134625, 152880), (136500, 150780), (140010, 147000), (140728, 146250), (143325, 143600)]