1284684800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 264

約数和(自身を含む): 3728225664

約数和(自身を除く): 2443540864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 67, 70, 80, 100, 107, 112, 128, 134, 140, 160, 175, 200, 214, 224, 256, 268, 280, 320, 335, 350, 400, 428, 448, 469, 512, 535, 536, 560, 640, 670, 700, 749, 800, 856, 896, 938, 1024, 1070, 1072, 1120, 1280, 1340, 1400, 1498, 1600, 1675, 1712, 1792, 1876, 2140, 2144, 2240, 2345, 2560, 2675, 2680, 2800, 2996, 3200, 3350, 3424, 3584, 3745, 3752, 4280, 4288, 4480, 4690, 5120, 5350, 5360, 5600, 5992, 6400, 6700, 6848, 7168, 7169, 7490, 7504, 8560, 8576, 8960, 9380, 10700, 10720, 11200, 11725, 11984, 12800, 13400, 13696, 14338, 14980, 15008, 17120, 17152, 17920, 18725, 18760, 21400, 21440, 22400, 23450, 23968, 25600, 26800, 27392, 28676, 29960, 30016, 34240, 34304, 35840, 35845, 37450, 37520, 42800, 42880, 44800, 46900, 47936, 50183, 53600, 54784, 57352, 59920, 60032, 68480, 68608, 71690, 74900, 75040, 85600, 85760, 89600, 93800, 95872, 100366, 107200, 109568, 114704, 119840, 120064, 136960, 143380, 149800, 150080, 171200, 171520, 179200, 179225, 187600, 191744, 200732, 214400, 229408, 239680, 240128, 250915, 273920, 286760, 299600, 300160, 342400, 343040, 358450, 375200, 383488, 401464, 428800, 458816, 479360, 480256, 501830, 547840, 573520, 599200, 600320, 684800, 716900, 750400, 766976, 802928, 857600, 917632, 958720, 1003660, 1147040, 1198400, 1200640, 1254575, 1369600, 1433800, 1500800, 1605856, 1715200, 1835264, 1917440, 2007320, 2294080, 2396800, 2401280, 2509150, 2739200, 2867600, 3001600, 3211712, 3670528, 3834880, 4014640, 4588160, 4793600, 5018300, 5735200, 6003200, 6423424, 7341056, 8029280, 9176320, 9587200, 10036600, 11470400, 12006400, 12846848, 16058560, 18352640, 19174400, 20073200, 22940800, 25693696, 32117120, 36705280, 40146400, 45881600, 51387392, 64234240, 80292800, 91763200, 128468480, 160585600, 183526400, 256936960, 321171200, 642342400, 1284684800]

約数ペア:

[(1, 1284684800), (2, 642342400), (4, 321171200), (5, 256936960), (7, 183526400), (8, 160585600), (10, 128468480), (14, 91763200), (16, 80292800), (20, 64234240), (25, 51387392), (28, 45881600), (32, 40146400), (35, 36705280), (40, 32117120), (50, 25693696), (56, 22940800), (64, 20073200), (67, 19174400), (70, 18352640), (80, 16058560), (100, 12846848), (107, 12006400), (112, 11470400), (128, 10036600), (134, 9587200), (140, 9176320), (160, 8029280), (175, 7341056), (200, 6423424), (214, 6003200), (224, 5735200), (256, 5018300), (268, 4793600), (280, 4588160), (320, 4014640), (335, 3834880), (350, 3670528), (400, 3211712), (428, 3001600), (448, 2867600), (469, 2739200), (512, 2509150), (535, 2401280), (536, 2396800), (560, 2294080), (640, 2007320), (670, 1917440), (700, 1835264), (749, 1715200), (800, 1605856), (856, 1500800), (896, 1433800), (938, 1369600), (1024, 1254575), (1070, 1200640), (1072, 1198400), (1120, 1147040), (1280, 1003660), (1340, 958720), (1400, 917632), (1498, 857600), (1600, 802928), (1675, 766976), (1712, 750400), (1792, 716900), (1876, 684800), (2140, 600320), (2144, 599200), (2240, 573520), (2345, 547840), (2560, 501830), (2675, 480256), (2680, 479360), (2800, 458816), (2996, 428800), (3200, 401464), (3350, 383488), (3424, 375200), (3584, 358450), (3745, 343040), (3752, 342400), (4280, 300160), (4288, 299600), (4480, 286760), (4690, 273920), (5120, 250915), (5350, 240128), (5360, 239680), (5600, 229408), (5992, 214400), (6400, 200732), (6700, 191744), (6848, 187600), (7168, 179225), (7169, 179200), (7490, 171520), (7504, 171200), (8560, 150080), (8576, 149800), (8960, 143380), (9380, 136960), (10700, 120064), (10720, 119840), (11200, 114704), (11725, 109568), (11984, 107200), (12800, 100366), (13400, 95872), (13696, 93800), (14338, 89600), (14980, 85760), (15008, 85600), (17120, 75040), (17152, 74900), (17920, 71690), (18725, 68608), (18760, 68480), (21400, 60032), (21440, 59920), (22400, 57352), (23450, 54784), (23968, 53600), (25600, 50183), (26800, 47936), (27392, 46900), (28676, 44800), (29960, 42880), (30016, 42800), (34240, 37520), (34304, 37450), (35840, 35845)]