20781334080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61673}}^1$

素因数の和:61715

約数の個数: 280

約数和(自身を含む): 79610526072

約数和(自身を除く): 58829191992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1728, 1755, 1872, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2880, 3120, 3240, 3510, 3744, 4160, 4212, 4320, 4680, 5184, 5265, 5616, 6240, 6480, 7020, 7488, 8424, 8640, 9360, 10530, 11232, 12480, 12960, 14040, 16848, 18720, 21060, 22464, 25920, 28080, 33696, 37440, 42120, 56160, 61673, 67392, 84240, 112320, 123346, 168480, 185019, 246692, 308365, 336960, 370038, 493384, 555057, 616730, 740076, 801749, 925095, 986768, 1110114, 1233460, 1480152, 1603498, 1665171, 1850190, 1973536, 2220228, 2405247, 2466920, 2775285, 2960304, 3206996, 3330342, 3700380, 3947072, 4008745, 4440456, 4810494, 4933840, 4995513, 5550570, 5920608, 6413992, 6660684, 7215741, 7400760, 8017490, 8325855, 8880912, 9620988, 9867680, 9991026, 11101140, 11841216, 12026235, 12827984, 13321368, 14431482, 14801520, 16034980, 16651710, 17761824, 19241976, 19735360, 19982052, 21647223, 22202280, 24052470, 24977565, 25655968, 26642736, 28862964, 29603040, 32069960, 33303420, 35523648, 36078705, 38483952, 39964104, 43294446, 44404560, 48104940, 49955130, 51311936, 53285472, 57725928, 59206080, 64139920, 64941669, 66606840, 72157410, 76967904, 79928208, 86588892, 88809120, 96209880, 99910260, 106570944, 108236115, 115451856, 128279840, 129883338, 133213680, 144314820, 153935808, 159856416, 173177784, 177618240, 192419760, 199820520, 216472230, 230903712, 256559680, 259766676, 266427360, 288629640, 319712832, 324708345, 346355568, 384839520, 399641040, 432944460, 461807424, 519533352, 532854720, 577259280, 649416690, 692711136, 769679040, 799282080, 865888920, 1039066704, 1154518560, 1298833380, 1385422272, 1598564160, 1731777840, 2078133408, 2309037120, 2597666760, 3463555680, 4156266816, 5195333520, 6927111360, 10390667040, 20781334080]

約数ペア:

[(1, 20781334080), (2, 10390667040), (3, 6927111360), (4, 5195333520), (5, 4156266816), (6, 3463555680), (8, 2597666760), (9, 2309037120), (10, 2078133408), (12, 1731777840), (13, 1598564160), (15, 1385422272), (16, 1298833380), (18, 1154518560), (20, 1039066704), (24, 865888920), (26, 799282080), (27, 769679040), (30, 692711136), (32, 649416690), (36, 577259280), (39, 532854720), (40, 519533352), (45, 461807424), (48, 432944460), (52, 399641040), (54, 384839520), (60, 346355568), (64, 324708345), (65, 319712832), (72, 288629640), (78, 266427360), (80, 259766676), (81, 256559680), (90, 230903712), (96, 216472230), (104, 199820520), (108, 192419760), (117, 177618240), (120, 173177784), (130, 159856416), (135, 153935808), (144, 144314820), (156, 133213680), (160, 129883338), (162, 128279840), (180, 115451856), (192, 108236115), (195, 106570944), (208, 99910260), (216, 96209880), (234, 88809120), (240, 86588892), (260, 79928208), (270, 76967904), (288, 72157410), (312, 66606840), (320, 64941669), (324, 64139920), (351, 59206080), (360, 57725928), (390, 53285472), (405, 51311936), (416, 49955130), (432, 48104940), (468, 44404560), (480, 43294446), (520, 39964104), (540, 38483952), (576, 36078705), (585, 35523648), (624, 33303420), (648, 32069960), (702, 29603040), (720, 28862964), (780, 26642736), (810, 25655968), (832, 24977565), (864, 24052470), (936, 22202280), (960, 21647223), (1040, 19982052), (1053, 19735360), (1080, 19241976), (1170, 17761824), (1248, 16651710), (1296, 16034980), (1404, 14801520), (1440, 14431482), (1560, 13321368), (1620, 12827984), (1728, 12026235), (1755, 11841216), (1872, 11101140), (2080, 9991026), (2106, 9867680), (2160, 9620988), (2340, 8880912), (2496, 8325855), (2592, 8017490), (2808, 7400760), (2880, 7215741), (3120, 6660684), (3240, 6413992), (3510, 5920608), (3744, 5550570), (4160, 4995513), (4212, 4933840), (4320, 4810494), (4680, 4440456), (5184, 4008745), (5265, 3947072), (5616, 3700380), (6240, 3330342), (6480, 3206996), (7020, 2960304), (7488, 2775285), (8424, 2466920), (8640, 2405247), (9360, 2220228), (10530, 1973536), (11232, 1850190), (12480, 1665171), (12960, 1603498), (14040, 1480152), (16848, 1233460), (18720, 1110114), (21060, 986768), (22464, 925095), (25920, 801749), (28080, 740076), (33696, 616730), (37440, 555057), (42120, 493384), (56160, 370038), (61673, 336960), (67392, 308365), (84240, 246692), (112320, 185019), (123346, 168480)]