81685440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 168

約数和(自身を含む): 284579568

約数和(自身を除く): 202894128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 144, 160, 180, 192, 226, 240, 251, 288, 320, 339, 360, 452, 480, 502, 565, 576, 678, 720, 753, 904, 960, 1004, 1017, 1130, 1255, 1356, 1440, 1506, 1695, 1808, 2008, 2034, 2259, 2260, 2510, 2712, 2880, 3012, 3390, 3616, 3765, 4016, 4068, 4518, 4520, 5020, 5085, 5424, 6024, 6780, 7232, 7530, 8032, 8136, 9036, 9040, 10040, 10170, 10848, 11295, 12048, 13560, 15060, 16064, 16272, 18072, 18080, 20080, 20340, 21696, 22590, 24096, 27120, 28363, 30120, 32544, 36144, 36160, 40160, 40680, 45180, 48192, 54240, 56726, 60240, 65088, 72288, 80320, 81360, 85089, 90360, 108480, 113452, 120480, 141815, 144576, 162720, 170178, 180720, 226904, 240960, 255267, 283630, 325440, 340356, 361440, 425445, 453808, 510534, 567260, 680712, 722880, 850890, 907616, 1021068, 1134520, 1276335, 1361424, 1701780, 1815232, 2042136, 2269040, 2552670, 2722848, 3403560, 4084272, 4538080, 5105340, 5445696, 6807120, 8168544, 9076160, 10210680, 13614240, 16337088, 20421360, 27228480, 40842720, 81685440]

約数ペア:

[(1, 81685440), (2, 40842720), (3, 27228480), (4, 20421360), (5, 16337088), (6, 13614240), (8, 10210680), (9, 9076160), (10, 8168544), (12, 6807120), (15, 5445696), (16, 5105340), (18, 4538080), (20, 4084272), (24, 3403560), (30, 2722848), (32, 2552670), (36, 2269040), (40, 2042136), (45, 1815232), (48, 1701780), (60, 1361424), (64, 1276335), (72, 1134520), (80, 1021068), (90, 907616), (96, 850890), (113, 722880), (120, 680712), (144, 567260), (160, 510534), (180, 453808), (192, 425445), (226, 361440), (240, 340356), (251, 325440), (288, 283630), (320, 255267), (339, 240960), (360, 226904), (452, 180720), (480, 170178), (502, 162720), (565, 144576), (576, 141815), (678, 120480), (720, 113452), (753, 108480), (904, 90360), (960, 85089), (1004, 81360), (1017, 80320), (1130, 72288), (1255, 65088), (1356, 60240), (1440, 56726), (1506, 54240), (1695, 48192), (1808, 45180), (2008, 40680), (2034, 40160), (2259, 36160), (2260, 36144), (2510, 32544), (2712, 30120), (2880, 28363), (3012, 27120), (3390, 24096), (3616, 22590), (3765, 21696), (4016, 20340), (4068, 20080), (4518, 18080), (4520, 18072), (5020, 16272), (5085, 16064), (5424, 15060), (6024, 13560), (6780, 12048), (7232, 11295), (7530, 10848), (8032, 10170), (8136, 10040), (9036, 9040)]