81360000

素因数分解:

$2^7\times 3^2\times 5^4\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 295147710

約数和(自身を除く): 213787710

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 113, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 226, 240, 250, 288, 300, 320, 339, 360, 375, 384, 400, 450, 452, 480, 500, 565, 576, 600, 625, 640, 678, 720, 750, 800, 900, 904, 960, 1000, 1017, 1125, 1130, 1152, 1200, 1250, 1356, 1440, 1500, 1600, 1695, 1800, 1808, 1875, 1920, 2000, 2034, 2250, 2260, 2400, 2500, 2712, 2825, 2880, 3000, 3200, 3390, 3600, 3616, 3750, 4000, 4068, 4500, 4520, 4800, 5000, 5085, 5424, 5625, 5650, 5760, 6000, 6780, 7200, 7232, 7500, 8000, 8136, 8475, 9000, 9040, 9600, 10000, 10170, 10848, 11250, 11300, 12000, 13560, 14125, 14400, 14464, 15000, 16000, 16272, 16950, 18000, 18080, 20000, 20340, 21696, 22500, 22600, 24000, 25425, 27120, 28250, 28800, 30000, 32544, 33900, 36000, 36160, 40000, 40680, 42375, 43392, 45000, 45200, 48000, 50850, 54240, 56500, 60000, 65088, 67800, 70625, 72000, 72320, 80000, 81360, 84750, 90000, 90400, 101700, 108480, 113000, 120000, 127125, 130176, 135600, 141250, 144000, 162720, 169500, 180000, 180800, 203400, 211875, 216960, 226000, 240000, 254250, 271200, 282500, 325440, 339000, 360000, 361600, 406800, 423750, 452000, 508500, 542400, 565000, 635625, 650880, 678000, 720000, 813600, 847500, 904000, 1017000, 1084800, 1130000, 1271250, 1356000, 1627200, 1695000, 1808000, 2034000, 2260000, 2542500, 2712000, 3254400, 3390000, 4068000, 4520000, 5085000, 5424000, 6780000, 8136000, 9040000, 10170000, 13560000, 16272000, 20340000, 27120000, 40680000, 81360000]

約数ペア:

[(1, 81360000), (2, 40680000), (3, 27120000), (4, 20340000), (5, 16272000), (6, 13560000), (8, 10170000), (9, 9040000), (10, 8136000), (12, 6780000), (15, 5424000), (16, 5085000), (18, 4520000), (20, 4068000), (24, 3390000), (25, 3254400), (30, 2712000), (32, 2542500), (36, 2260000), (40, 2034000), (45, 1808000), (48, 1695000), (50, 1627200), (60, 1356000), (64, 1271250), (72, 1130000), (75, 1084800), (80, 1017000), (90, 904000), (96, 847500), (100, 813600), (113, 720000), (120, 678000), (125, 650880), (128, 635625), (144, 565000), (150, 542400), (160, 508500), (180, 452000), (192, 423750), (200, 406800), (225, 361600), (226, 360000), (240, 339000), (250, 325440), (288, 282500), (300, 271200), (320, 254250), (339, 240000), (360, 226000), (375, 216960), (384, 211875), (400, 203400), (450, 180800), (452, 180000), (480, 169500), (500, 162720), (565, 144000), (576, 141250), (600, 135600), (625, 130176), (640, 127125), (678, 120000), (720, 113000), (750, 108480), (800, 101700), (900, 90400), (904, 90000), (960, 84750), (1000, 81360), (1017, 80000), (1125, 72320), (1130, 72000), (1152, 70625), (1200, 67800), (1250, 65088), (1356, 60000), (1440, 56500), (1500, 54240), (1600, 50850), (1695, 48000), (1800, 45200), (1808, 45000), (1875, 43392), (1920, 42375), (2000, 40680), (2034, 40000), (2250, 36160), (2260, 36000), (2400, 33900), (2500, 32544), (2712, 30000), (2825, 28800), (2880, 28250), (3000, 27120), (3200, 25425), (3390, 24000), (3600, 22600), (3616, 22500), (3750, 21696), (4000, 20340), (4068, 20000), (4500, 18080), (4520, 18000), (4800, 16950), (5000, 16272), (5085, 16000), (5424, 15000), (5625, 14464), (5650, 14400), (5760, 14125), (6000, 13560), (6780, 12000), (7200, 11300), (7232, 11250), (7500, 10848), (8000, 10170), (8136, 10000), (8475, 9600), (9000, 9040)]