64346880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 144

約数和(自身を含む): 221487840

約数和(自身を除く): 157140960

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, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1289, 1560, 1664, 1920, 2080, 2496, 2578, 3120, 3328, 3840, 3867, 4160, 4992, 5156, 6240, 6445, 7734, 8320, 9984, 10312, 12480, 12890, 15468, 16640, 16757, 19335, 20624, 24960, 25780, 30936, 33514, 38670, 41248, 49920, 50271, 51560, 61872, 67028, 77340, 82496, 83785, 100542, 103120, 123744, 134056, 154680, 164992, 167570, 201084, 206240, 247488, 251355, 268112, 309360, 329984, 335140, 402168, 412480, 494976, 502710, 536224, 618720, 670280, 804336, 824960, 989952, 1005420, 1072448, 1237440, 1340560, 1608672, 1649920, 2010840, 2144896, 2474880, 2681120, 3217344, 4021680, 4289792, 4949760, 5362240, 6434688, 8043360, 10724480, 12869376, 16086720, 21448960, 32173440, 64346880]

約数ペア:

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