648840960

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:551

約数の個数: 216

約数和(自身を含む): 2265847584

約数和(自身を除く): 1617006624

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, 120, 128, 144, 151, 160, 180, 192, 240, 256, 288, 302, 320, 360, 373, 384, 453, 480, 576, 604, 640, 720, 746, 755, 768, 906, 960, 1119, 1152, 1208, 1280, 1359, 1440, 1492, 1510, 1812, 1865, 1920, 2238, 2265, 2304, 2416, 2718, 2880, 2984, 3020, 3357, 3624, 3730, 3840, 4476, 4530, 4832, 5436, 5595, 5760, 5968, 6040, 6714, 6795, 7248, 7460, 8952, 9060, 9664, 10872, 11190, 11520, 11936, 12080, 13428, 13590, 14496, 14920, 16785, 17904, 18120, 19328, 21744, 22380, 23872, 24160, 26856, 27180, 28992, 29840, 33570, 35808, 36240, 38656, 43488, 44760, 47744, 48320, 53712, 54360, 56323, 57984, 59680, 67140, 71616, 72480, 86976, 89520, 95488, 96640, 107424, 108720, 112646, 115968, 119360, 134280, 143232, 144960, 168969, 173952, 179040, 193280, 214848, 217440, 225292, 238720, 268560, 281615, 286464, 289920, 337938, 347904, 358080, 429696, 434880, 450584, 477440, 506907, 537120, 563230, 579840, 675876, 716160, 844845, 859392, 869760, 901168, 1013814, 1074240, 1126460, 1351752, 1432320, 1689690, 1739520, 1802336, 2027628, 2148480, 2252920, 2534535, 2703504, 3379380, 3604672, 4055256, 4296960, 4505840, 5069070, 5407008, 6758760, 7209344, 8110512, 9011680, 10138140, 10814016, 13517520, 14418688, 16221024, 18023360, 20276280, 21628032, 27035040, 32442048, 36046720, 40552560, 43256064, 54070080, 64884096, 72093440, 81105120, 108140160, 129768192, 162210240, 216280320, 324420480, 648840960]

約数ペア:

[(1, 648840960), (2, 324420480), (3, 216280320), (4, 162210240), (5, 129768192), (6, 108140160), (8, 81105120), (9, 72093440), (10, 64884096), (12, 54070080), (15, 43256064), (16, 40552560), (18, 36046720), (20, 32442048), (24, 27035040), (30, 21628032), (32, 20276280), (36, 18023360), (40, 16221024), (45, 14418688), (48, 13517520), (60, 10814016), (64, 10138140), (72, 9011680), (80, 8110512), (90, 7209344), (96, 6758760), (120, 5407008), (128, 5069070), (144, 4505840), (151, 4296960), (160, 4055256), (180, 3604672), (192, 3379380), (240, 2703504), (256, 2534535), (288, 2252920), (302, 2148480), (320, 2027628), (360, 1802336), (373, 1739520), (384, 1689690), (453, 1432320), (480, 1351752), (576, 1126460), (604, 1074240), (640, 1013814), (720, 901168), (746, 869760), (755, 859392), (768, 844845), (906, 716160), (960, 675876), (1119, 579840), (1152, 563230), (1208, 537120), (1280, 506907), (1359, 477440), (1440, 450584), (1492, 434880), (1510, 429696), (1812, 358080), (1865, 347904), (1920, 337938), (2238, 289920), (2265, 286464), (2304, 281615), (2416, 268560), (2718, 238720), (2880, 225292), (2984, 217440), (3020, 214848), (3357, 193280), (3624, 179040), (3730, 173952), (3840, 168969), (4476, 144960), (4530, 143232), (4832, 134280), (5436, 119360), (5595, 115968), (5760, 112646), (5968, 108720), (6040, 107424), (6714, 96640), (6795, 95488), (7248, 89520), (7460, 86976), (8952, 72480), (9060, 71616), (9664, 67140), (10872, 59680), (11190, 57984), (11520, 56323), (11936, 54360), (12080, 53712), (13428, 48320), (13590, 47744), (14496, 44760), (14920, 43488), (16785, 38656), (17904, 36240), (18120, 35808), (19328, 33570), (21744, 29840), (22380, 28992), (23872, 27180), (24160, 26856)]