1285328000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 256

約数和(自身を含む): 3570652800

約数和(自身を除く): 2285324800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 67, 80, 88, 100, 109, 110, 125, 128, 134, 160, 176, 200, 218, 220, 250, 268, 275, 320, 335, 352, 400, 436, 440, 500, 536, 545, 550, 640, 670, 704, 737, 800, 872, 880, 1000, 1072, 1090, 1100, 1199, 1340, 1375, 1408, 1474, 1600, 1675, 1744, 1760, 2000, 2144, 2180, 2200, 2398, 2680, 2725, 2750, 2948, 3200, 3350, 3488, 3520, 3685, 4000, 4288, 4360, 4400, 4796, 5360, 5450, 5500, 5896, 5995, 6700, 6976, 7040, 7303, 7370, 8000, 8375, 8576, 8720, 8800, 9592, 10720, 10900, 11000, 11792, 11990, 13400, 13625, 13952, 14606, 14740, 16000, 16750, 17440, 17600, 18425, 19184, 21440, 21800, 22000, 23584, 23980, 26800, 27250, 29212, 29480, 29975, 33500, 34880, 35200, 36515, 36850, 38368, 42880, 43600, 44000, 47168, 47960, 53600, 54500, 58424, 58960, 59950, 67000, 69760, 73030, 73700, 76736, 80333, 87200, 88000, 92125, 94336, 95920, 107200, 109000, 116848, 117920, 119900, 134000, 146060, 147400, 149875, 153472, 160666, 174400, 176000, 182575, 184250, 191840, 214400, 218000, 233696, 235840, 239800, 268000, 292120, 294800, 299750, 321332, 348800, 365150, 368500, 383680, 401665, 436000, 467392, 471680, 479600, 536000, 584240, 589600, 599500, 642664, 730300, 737000, 767360, 803330, 872000, 912875, 934784, 959200, 1072000, 1168480, 1179200, 1199000, 1285328, 1460600, 1474000, 1606660, 1744000, 1825750, 1918400, 2008325, 2336960, 2358400, 2398000, 2570656, 2921200, 2948000, 3213320, 3651500, 3836800, 4016650, 4673920, 4796000, 5141312, 5842400, 5896000, 6426640, 7303000, 8033300, 9592000, 10041625, 10282624, 11684800, 11792000, 12853280, 14606000, 16066600, 19184000, 20083250, 23369600, 25706560, 29212000, 32133200, 40166500, 51413120, 58424000, 64266400, 80333000, 116848000, 128532800, 160666000, 257065600, 321332000, 642664000, 1285328000]

約数ペア:

[(1, 1285328000), (2, 642664000), (4, 321332000), (5, 257065600), (8, 160666000), (10, 128532800), (11, 116848000), (16, 80333000), (20, 64266400), (22, 58424000), (25, 51413120), (32, 40166500), (40, 32133200), (44, 29212000), (50, 25706560), (55, 23369600), (64, 20083250), (67, 19184000), (80, 16066600), (88, 14606000), (100, 12853280), (109, 11792000), (110, 11684800), (125, 10282624), (128, 10041625), (134, 9592000), (160, 8033300), (176, 7303000), (200, 6426640), (218, 5896000), (220, 5842400), (250, 5141312), (268, 4796000), (275, 4673920), (320, 4016650), (335, 3836800), (352, 3651500), (400, 3213320), (436, 2948000), (440, 2921200), (500, 2570656), (536, 2398000), (545, 2358400), (550, 2336960), (640, 2008325), (670, 1918400), (704, 1825750), (737, 1744000), (800, 1606660), (872, 1474000), (880, 1460600), (1000, 1285328), (1072, 1199000), (1090, 1179200), (1100, 1168480), (1199, 1072000), (1340, 959200), (1375, 934784), (1408, 912875), (1474, 872000), (1600, 803330), (1675, 767360), (1744, 737000), (1760, 730300), (2000, 642664), (2144, 599500), (2180, 589600), (2200, 584240), (2398, 536000), (2680, 479600), (2725, 471680), (2750, 467392), (2948, 436000), (3200, 401665), (3350, 383680), (3488, 368500), (3520, 365150), (3685, 348800), (4000, 321332), (4288, 299750), (4360, 294800), (4400, 292120), (4796, 268000), (5360, 239800), (5450, 235840), (5500, 233696), (5896, 218000), (5995, 214400), (6700, 191840), (6976, 184250), (7040, 182575), (7303, 176000), (7370, 174400), (8000, 160666), (8375, 153472), (8576, 149875), (8720, 147400), (8800, 146060), (9592, 134000), (10720, 119900), (10900, 117920), (11000, 116848), (11792, 109000), (11990, 107200), (13400, 95920), (13625, 94336), (13952, 92125), (14606, 88000), (14740, 87200), (16000, 80333), (16750, 76736), (17440, 73700), (17600, 73030), (18425, 69760), (19184, 67000), (21440, 59950), (21800, 58960), (22000, 58424), (23584, 54500), (23980, 53600), (26800, 47960), (27250, 47168), (29212, 44000), (29480, 43600), (29975, 42880), (33500, 38368), (34880, 36850), (35200, 36515)]