128693760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1328

約数の個数: 160

約数和(自身を含む): 443409120

約数和(自身を除く): 314715360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1289, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2578, 3120, 3328, 3840, 3867, 4160, 4992, 5156, 6240, 6445, 6656, 7680, 7734, 8320, 9984, 10312, 12480, 12890, 15468, 16640, 16757, 19335, 19968, 20624, 24960, 25780, 30936, 33280, 33514, 38670, 41248, 49920, 50271, 51560, 61872, 67028, 77340, 82496, 83785, 99840, 100542, 103120, 123744, 134056, 154680, 164992, 167570, 201084, 206240, 247488, 251355, 268112, 309360, 329984, 335140, 402168, 412480, 494976, 502710, 536224, 618720, 659968, 670280, 804336, 824960, 989952, 1005420, 1072448, 1237440, 1340560, 1608672, 1649920, 1979904, 2010840, 2144896, 2474880, 2681120, 3217344, 3299840, 4021680, 4289792, 4949760, 5362240, 6434688, 8043360, 8579584, 9899520, 10724480, 12869376, 16086720, 21448960, 25738752, 32173440, 42897920, 64346880, 128693760]

約数ペア:

[(1, 128693760), (2, 64346880), (3, 42897920), (4, 32173440), (5, 25738752), (6, 21448960), (8, 16086720), (10, 12869376), (12, 10724480), (13, 9899520), (15, 8579584), (16, 8043360), (20, 6434688), (24, 5362240), (26, 4949760), (30, 4289792), (32, 4021680), (39, 3299840), (40, 3217344), (48, 2681120), (52, 2474880), (60, 2144896), (64, 2010840), (65, 1979904), (78, 1649920), (80, 1608672), (96, 1340560), (104, 1237440), (120, 1072448), (128, 1005420), (130, 989952), (156, 824960), (160, 804336), (192, 670280), (195, 659968), (208, 618720), (240, 536224), (256, 502710), (260, 494976), (312, 412480), (320, 402168), (384, 335140), (390, 329984), (416, 309360), (480, 268112), (512, 251355), (520, 247488), (624, 206240), (640, 201084), (768, 167570), (780, 164992), (832, 154680), (960, 134056), (1040, 123744), (1248, 103120), (1280, 100542), (1289, 99840), (1536, 83785), (1560, 82496), (1664, 77340), (1920, 67028), (2080, 61872), (2496, 51560), (2560, 50271), (2578, 49920), (3120, 41248), (3328, 38670), (3840, 33514), (3867, 33280), (4160, 30936), (4992, 25780), (5156, 24960), (6240, 20624), (6445, 19968), (6656, 19335), (7680, 16757), (7734, 16640), (8320, 15468), (9984, 12890), (10312, 12480)]