20515904640

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:970

約数の個数: 1024

約数和(自身を含む): 96024268800

約数和(自身を除く): 75508364160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 54, 55, 56, 60, 63, 64, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 96, 99, 102, 105, 108, 110, 112, 119, 120, 126, 128, 132, 135, 136, 140, 144, 153, 154, 160, 165, 168, 170, 176, 180, 187, 189, 192, 198, 204, 210, 216, 220, 224, 231, 238, 240, 252, 255, 264, 270, 272, 280, 288, 297, 306, 308, 315, 320, 330, 336, 340, 352, 357, 360, 374, 378, 384, 385, 396, 408, 420, 432, 440, 448, 459, 462, 476, 480, 495, 504, 510, 528, 540, 544, 560, 561, 576, 594, 595, 612, 616, 630, 640, 660, 672, 680, 693, 704, 714, 720, 748, 756, 765, 770, 792, 816, 840, 864, 880, 896, 907, 918, 924, 935, 945, 952, 960, 990, 1008, 1020, 1056, 1071, 1080, 1088, 1120, 1122, 1152, 1155, 1188, 1190, 1224, 1232, 1260, 1309, 1320, 1344, 1360, 1386, 1408, 1428, 1440, 1485, 1496, 1512, 1530, 1540, 1584, 1632, 1680, 1683, 1728, 1760, 1785, 1814, 1836, 1848, 1870, 1890, 1904, 1920, 1980, 2016, 2040, 2079, 2112, 2142, 2160, 2176, 2240, 2244, 2295, 2310, 2376, 2380, 2448, 2464, 2520, 2618, 2640, 2688, 2720, 2721, 2772, 2805, 2856, 2880, 2970, 2992, 3024, 3060, 3080, 3168, 3213, 3264, 3360, 3366, 3456, 3465, 3520, 3570, 3628, 3672, 3696, 3740, 3780, 3808, 3927, 3960, 4032, 4080, 4158, 4224, 4284, 4320, 4480, 4488, 4535, 4590, 4620, 4752, 4760, 4896, 4928, 5040, 5049, 5236, 5280, 5355, 5440, 5442, 5544, 5610, 5712, 5760, 5940, 5984, 6048, 6120, 6160, 6336, 6349, 6426, 6528, 6545, 6720, 6732, 6930, 7040, 7140, 7256, 7344, 7392, 7480, 7560, 7616, 7854, 7920, 8064, 8160, 8163, 8316, 8415, 8568, 8640, 8976, 9070, 9180, 9240, 9504, 9520, 9792, 9856, 9977, 10080, 10098, 10395, 10472, 10560, 10710, 10880, 10884, 11088, 11220, 11424, 11781, 11880, 11968, 12096, 12240, 12320, 12672, 12698, 12852, 13090, 13440, 13464, 13605, 13860, 14280, 14512, 14688, 14784, 14960, 15120, 15232, 15419, 15708, 15840, 16065, 16320, 16326, 16632, 16830, 17136, 17280, 17952, 18140, 18360, 18480, 19008, 19040, 19047, 19584, 19635, 19954, 20160, 20196, 20790, 20944, 21120, 21420, 21768, 22176, 22440, 22848, 23562, 23760, 23936, 24192, 24480, 24489, 24640, 25245, 25396, 25704, 26180, 26928, 27210, 27720, 28560, 29024, 29376, 29568, 29920, 29931, 30240, 30838, 31416, 31680, 31745, 32130, 32640, 32652, 33264, 33660, 34272, 35343, 35904, 36280, 36720, 36960, 38016, 38080, 38094, 39270, 39908, 40320, 40392, 40815, 41580, 41888, 42840, 43536, 44352, 44880, 45696, 46257, 47124, 47520, 48960, 48978, 49280, 49885, 50490, 50792, 51408, 52360, 53856, 54420, 55440, 57120, 57141, 58048, 58752, 58905, 59840, 59862, 60480, 61676, 62832, 63360, 63490, 64260, 65304, 66528, 67320, 68544, 69839, 70686, 71808, 72560, 73440, 73920, 76160, 76188, 77095, 78540, 79816, 80784, 81630, 83160, 83776, 85680, 87072, 88704, 89760, 89793, 92514, 94248, 95040, 95235, 97920, 97956, 99770, 100980, 101584, 102816, 104720, 107712, 107933, 108840, 110880, 114240, 114282, 116096, 117810, 119680, 119724, 120960, 122445, 123352, 125664, 126980, 128520, 130608, 133056, 134640, 137088, 138771, 139678, 141372, 145120, 146880, 147840, 149655, 152376, 154190, 157080, 159632, 161568, 163260, 166320, 167552, 169609, 171360, 171423, 174144, 176715, 179520, 179586, 185028, 188496, 190080, 190470, 195912, 199540, 201960, 203168, 205632, 209440, 209517, 215424, 215866, 217680, 221760, 228480, 228564, 231285, 235620, 239448, 244890, 246704, 251328, 253960, 257040, 261216, 266112, 269280, 269379, 277542, 279356, 282744, 285705, 290240, 293760, 299310, 304752, 308380, 314160, 319264, 323136, 323799, 326520, 332640, 339218, 342720, 342846, 348288, 349195, 353430, 359040, 359172, 370056, 376992, 380940, 391824, 399080, 403920, 406336, 411264, 416313, 418880, 419034, 431732, 435360, 443520, 448965, 457128, 462570, 471240, 478896, 489780, 493408, 502656, 507920, 508827, 514080, 522432, 538560, 538758, 539665, 555084, 558712, 565488, 571410, 580480, 598620, 609504, 616760, 628320, 628551, 638528, 646272, 647598, 653040, 665280, 678436, 685440, 685692, 693855, 698390, 706860, 718344, 740112, 753984, 761880, 783648, 798160, 807840, 812672, 832626, 837760, 838068, 848045, 857115, 863464, 870720, 897930, 914256, 925140, 942480, 957792, 971397, 979560, 986816, 1015840, 1017654, 1028160, 1044864, 1047585, 1077120, 1077516, 1079330, 1110168, 1117424, 1130976, 1142820, 1187263, 1197240, 1219008, 1233520, 1256640, 1257102, 1277056, 1295196, 1306080, 1330560, 1346895, 1356872, 1371384, 1387710, 1396780, 1413720, 1436688, 1480224, 1507968, 1523760, 1526481, 1567296, 1596320, 1615680, 1618995, 1665252, 1676136, 1696090, 1714230, 1726928, 1741440, 1795860, 1828512, 1850280, 1884960, 1885653, 1915584, 1942794, 1959120, 1973632, 2031680, 2035308, 2056320, 2081565, 2095170, 2155032, 2158660, 2220336, 2234848, 2261952, 2285640, 2374526, 2394480, 2438016, 2467040, 2513280, 2514204, 2544135, 2590392, 2612160, 2693790, 2713744, 2742768, 2775420, 2793560, 2827440, 2873376, 2914191, 2960448, 3047520, 3052962, 3134592, 3142755, 3192640, 3231360, 3237990, 3330504, 3352272, 3392180, 3428460, 3453856, 3561789, 3591720, 3657024, 3700560, 3769920, 3771306, 3831168, 3885588, 3918240, 4063360, 4070616, 4163130, 4190340, 4310064, 4317320, 4440672, 4469696, 4523904, 4571280, 4579443, 4749052, 4788960, 4856985, 4934080, 5028408, 5088270, 5180784, 5224320, 5387580, 5427488, 5485536, 5550840, 5587120, 5654880, 5746752, 5828382, 5920896, 5936315, 6095040, 6105924, 6285510, 6385280, 6475980, 6661008, 6704544, 6784360, 6856920, 6907712, 7123578, 7183440, 7314048, 7401120, 7539840, 7542612, 7632405, 7771176, 7836480, 8141232, 8326260, 8380680, 8620128, 8634640, 8881344, 8939392, 9142560, 9158886, 9428265, 9498104, 9577920, 9713970, 9868160, 10056816, 10176540, 10361568, 10685367, 10775160, 10854976, 10971072, 11101680, 11174240, 11309760, 11493504, 11656764, 11872630, 12190080, 12211848, 12571020, 12951960, 13322016, 13409088, 13568720, 13713840, 13815424, 14247156, 14366880, 14570955, 14802240, 15085224, 15264810, 15542352, 15672960, 16282464, 16652520, 16761360, 17240256, 17269280, 17762688, 17808945, 18285120, 18317772, 18856530, 18996208, 19155840, 19427940, 20113632, 20353080, 20723136, 21370734, 21550320, 21709952, 21942144, 22203360, 22348480, 22619520, 22897215, 23313528, 23745260, 24423696, 25142040, 25903920, 26644032, 26818176, 27137440, 27427680, 28494312, 28733760, 29141910, 29604480, 30170448, 30529620, 31084704, 32056101, 32564928, 33305040, 33522720, 34480512, 34538560, 35617890, 36570240, 36635544, 37713060, 37992416, 38855880, 40227264, 40706160, 41446272, 42741468, 43100640, 44406720, 44696960, 45794430, 46627056, 47490520, 48847392, 50284080, 51807840, 53288064, 53426835, 54274880, 54855360, 56988624, 57467520, 58283820, 60340896, 61059240, 62169408, 64112202, 65129856, 66610080, 67045440, 69077120, 71235780, 73271088, 75426120, 75984832, 77711760, 80454528, 81412320, 85482936, 86201280, 88813440, 91588860, 93254112, 94981040, 97694784, 100568160, 103615680, 106853670, 108549760, 109710720, 113977248, 116567640, 120681792, 122118480, 124338816, 128224404, 133220160, 134090880, 142471560, 146542176, 150852240, 151969664, 155423520, 160280505, 162824640, 170965872, 172402560, 183177720, 186508224, 189962080, 195389568, 201136320, 207231360, 213707340, 227954496, 233135280, 241363584, 244236960, 256448808, 266440320, 284943120, 293084352, 301704480, 310847040, 320561010, 325649280, 341931744, 366355440, 373016448, 379924160, 402272640, 427414680, 455908992, 466270560, 488473920, 512897616, 569886240, 586168704, 603408960, 621694080, 641122020, 683863488, 732710880, 759848320, 854829360, 932541120, 976947840, 1025795232, 1139772480, 1206817920, 1282244040, 1367726976, 1465421760, 1709658720, 1865082240, 2051590464, 2279544960, 2564488080, 2930843520, 3419317440, 4103180928, 5128976160, 6838634880, 10257952320, 20515904640]

約数ペア:

[(1, 20515904640), (2, 10257952320), (3, 6838634880), (4, 5128976160), (5, 4103180928), (6, 3419317440), (7, 2930843520), (8, 2564488080), (9, 2279544960), (10, 2051590464), (11, 1865082240), (12, 1709658720), (14, 1465421760), (15, 1367726976), (16, 1282244040), (17, 1206817920), (18, 1139772480), (20, 1025795232), (21, 976947840), (22, 932541120), (24, 854829360), (27, 759848320), (28, 732710880), (30, 683863488), (32, 641122020), (33, 621694080), (34, 603408960), (35, 586168704), (36, 569886240), (40, 512897616), (42, 488473920), (44, 466270560), (45, 455908992), (48, 427414680), (51, 402272640), (54, 379924160), (55, 373016448), (56, 366355440), (60, 341931744), (63, 325649280), (64, 320561010), (66, 310847040), (68, 301704480), (70, 293084352), (72, 284943120), (77, 266440320), (80, 256448808), (84, 244236960), (85, 241363584), (88, 233135280), (90, 227954496), (96, 213707340), (99, 207231360), (102, 201136320), (105, 195389568), (108, 189962080), (110, 186508224), (112, 183177720), (119, 172402560), (120, 170965872), (126, 162824640), (128, 160280505), (132, 155423520), (135, 151969664), (136, 150852240), (140, 146542176), (144, 142471560), (153, 134090880), (154, 133220160), (160, 128224404), (165, 124338816), (168, 122118480), (170, 120681792), (176, 116567640), (180, 113977248), (187, 109710720), (189, 108549760), (192, 106853670), (198, 103615680), (204, 100568160), (210, 97694784), (216, 94981040), (220, 93254112), (224, 91588860), (231, 88813440), (238, 86201280), (240, 85482936), (252, 81412320), (255, 80454528), (264, 77711760), (270, 75984832), (272, 75426120), (280, 73271088), (288, 71235780), (297, 69077120), (306, 67045440), (308, 66610080), (315, 65129856), (320, 64112202), (330, 62169408), (336, 61059240), (340, 60340896), (352, 58283820), (357, 57467520), (360, 56988624), (374, 54855360), (378, 54274880), (384, 53426835), (385, 53288064), (396, 51807840), (408, 50284080), (420, 48847392), (432, 47490520), (440, 46627056), (448, 45794430), (459, 44696960), (462, 44406720), (476, 43100640), (480, 42741468), (495, 41446272), (504, 40706160), (510, 40227264), (528, 38855880), (540, 37992416), (544, 37713060), (560, 36635544), (561, 36570240), (576, 35617890), (594, 34538560), (595, 34480512), (612, 33522720), (616, 33305040), (630, 32564928), (640, 32056101), (660, 31084704), (672, 30529620), (680, 30170448), (693, 29604480), (704, 29141910), (714, 28733760), (720, 28494312), (748, 27427680), (756, 27137440), (765, 26818176), (770, 26644032), (792, 25903920), (816, 25142040), (840, 24423696), (864, 23745260), (880, 23313528), (896, 22897215), (907, 22619520), (918, 22348480), (924, 22203360), (935, 21942144), (945, 21709952), (952, 21550320), (960, 21370734), (990, 20723136), (1008, 20353080), (1020, 20113632), (1056, 19427940), (1071, 19155840), (1080, 18996208), (1088, 18856530), (1120, 18317772), (1122, 18285120), (1152, 17808945), (1155, 17762688), (1188, 17269280), (1190, 17240256), (1224, 16761360), (1232, 16652520), (1260, 16282464), (1309, 15672960), (1320, 15542352), (1344, 15264810), (1360, 15085224), (1386, 14802240), (1408, 14570955), (1428, 14366880), (1440, 14247156), (1485, 13815424), (1496, 13713840), (1512, 13568720), (1530, 13409088), (1540, 13322016), (1584, 12951960), (1632, 12571020), (1680, 12211848), (1683, 12190080), (1728, 11872630), (1760, 11656764), (1785, 11493504), (1814, 11309760), (1836, 11174240), (1848, 11101680), (1870, 10971072), (1890, 10854976), (1904, 10775160), (1920, 10685367), (1980, 10361568), (2016, 10176540), (2040, 10056816), (2079, 9868160), (2112, 9713970), (2142, 9577920), (2160, 9498104), (2176, 9428265), (2240, 9158886), (2244, 9142560), (2295, 8939392), (2310, 8881344), (2376, 8634640), (2380, 8620128), (2448, 8380680), (2464, 8326260), (2520, 8141232), (2618, 7836480), (2640, 7771176), (2688, 7632405), (2720, 7542612), (2721, 7539840), (2772, 7401120), (2805, 7314048), (2856, 7183440), (2880, 7123578), (2970, 6907712), (2992, 6856920), (3024, 6784360), (3060, 6704544), (3080, 6661008), (3168, 6475980), (3213, 6385280), (3264, 6285510), (3360, 6105924), (3366, 6095040), (3456, 5936315), (3465, 5920896), (3520, 5828382), (3570, 5746752), (3628, 5654880), (3672, 5587120), (3696, 5550840), (3740, 5485536), (3780, 5427488), (3808, 5387580), (3927, 5224320), (3960, 5180784), (4032, 5088270), (4080, 5028408), (4158, 4934080), (4224, 4856985), (4284, 4788960), (4320, 4749052), (4480, 4579443), (4488, 4571280), (4535, 4523904), (4590, 4469696), (4620, 4440672), (4752, 4317320), (4760, 4310064), (4896, 4190340), (4928, 4163130), (5040, 4070616), (5049, 4063360), (5236, 3918240), (5280, 3885588), (5355, 3831168), (5440, 3771306), (5442, 3769920), (5544, 3700560), (5610, 3657024), (5712, 3591720), (5760, 3561789), (5940, 3453856), (5984, 3428460), (6048, 3392180), (6120, 3352272), (6160, 3330504), (6336, 3237990), (6349, 3231360), (6426, 3192640), (6528, 3142755), (6545, 3134592), (6720, 3052962), (6732, 3047520), (6930, 2960448), (7040, 2914191), (7140, 2873376), (7256, 2827440), (7344, 2793560), (7392, 2775420), (7480, 2742768), (7560, 2713744), (7616, 2693790), (7854, 2612160), (7920, 2590392), (8064, 2544135), (8160, 2514204), (8163, 2513280), (8316, 2467040), (8415, 2438016), (8568, 2394480), (8640, 2374526), (8976, 2285640), (9070, 2261952), (9180, 2234848), (9240, 2220336), (9504, 2158660), (9520, 2155032), (9792, 2095170), (9856, 2081565), (9977, 2056320), (10080, 2035308), (10098, 2031680), (10395, 1973632), (10472, 1959120), (10560, 1942794), (10710, 1915584), (10880, 1885653), (10884, 1884960), (11088, 1850280), (11220, 1828512), (11424, 1795860), (11781, 1741440), (11880, 1726928), (11968, 1714230), (12096, 1696090), (12240, 1676136), (12320, 1665252), (12672, 1618995), (12698, 1615680), (12852, 1596320), (13090, 1567296), (13440, 1526481), (13464, 1523760), (13605, 1507968), (13860, 1480224), (14280, 1436688), (14512, 1413720), (14688, 1396780), (14784, 1387710), (14960, 1371384), (15120, 1356872), (15232, 1346895), (15419, 1330560), (15708, 1306080), (15840, 1295196), (16065, 1277056), (16320, 1257102), (16326, 1256640), (16632, 1233520), (16830, 1219008), (17136, 1197240), (17280, 1187263), (17952, 1142820), (18140, 1130976), (18360, 1117424), (18480, 1110168), (19008, 1079330), (19040, 1077516), (19047, 1077120), (19584, 1047585), (19635, 1044864), (19954, 1028160), (20160, 1017654), (20196, 1015840), (20790, 986816), (20944, 979560), (21120, 971397), (21420, 957792), (21768, 942480), (22176, 925140), (22440, 914256), (22848, 897930), (23562, 870720), (23760, 863464), (23936, 857115), (24192, 848045), (24480, 838068), (24489, 837760), (24640, 832626), (25245, 812672), (25396, 807840), (25704, 798160), (26180, 783648), (26928, 761880), (27210, 753984), (27720, 740112), (28560, 718344), (29024, 706860), (29376, 698390), (29568, 693855), (29920, 685692), (29931, 685440), (30240, 678436), (30838, 665280), (31416, 653040), (31680, 647598), (31745, 646272), (32130, 638528), (32640, 628551), (32652, 628320), (33264, 616760), (33660, 609504), (34272, 598620), (35343, 580480), (35904, 571410), (36280, 565488), (36720, 558712), (36960, 555084), (38016, 539665), (38080, 538758), (38094, 538560), (39270, 522432), (39908, 514080), (40320, 508827), (40392, 507920), (40815, 502656), (41580, 493408), (41888, 489780), (42840, 478896), (43536, 471240), (44352, 462570), (44880, 457128), (45696, 448965), (46257, 443520), (47124, 435360), (47520, 431732), (48960, 419034), (48978, 418880), (49280, 416313), (49885, 411264), (50490, 406336), (50792, 403920), (51408, 399080), (52360, 391824), (53856, 380940), (54420, 376992), (55440, 370056), (57120, 359172), (57141, 359040), (58048, 353430), (58752, 349195), (58905, 348288), (59840, 342846), (59862, 342720), (60480, 339218), (61676, 332640), (62832, 326520), (63360, 323799), (63490, 323136), (64260, 319264), (65304, 314160), (66528, 308380), (67320, 304752), (68544, 299310), (69839, 293760), (70686, 290240), (71808, 285705), (72560, 282744), (73440, 279356), (73920, 277542), (76160, 269379), (76188, 269280), (77095, 266112), (78540, 261216), (79816, 257040), (80784, 253960), (81630, 251328), (83160, 246704), (83776, 244890), (85680, 239448), (87072, 235620), (88704, 231285), (89760, 228564), (89793, 228480), (92514, 221760), (94248, 217680), (95040, 215866), (95235, 215424), (97920, 209517), (97956, 209440), (99770, 205632), (100980, 203168), (101584, 201960), (102816, 199540), (104720, 195912), (107712, 190470), (107933, 190080), (108840, 188496), (110880, 185028), (114240, 179586), (114282, 179520), (116096, 176715), (117810, 174144), (119680, 171423), (119724, 171360), (120960, 169609), (122445, 167552), (123352, 166320), (125664, 163260), (126980, 161568), (128520, 159632), (130608, 157080), (133056, 154190), (134640, 152376), (137088, 149655), (138771, 147840), (139678, 146880), (141372, 145120)]