81197568

素因数分解:

$2^9\times 3^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 120

約数和(自身を含む): 238743648

約数和(自身を除く): 157546080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 144, 192, 201, 256, 263, 268, 288, 384, 402, 512, 526, 536, 576, 603, 768, 789, 804, 1052, 1072, 1152, 1206, 1536, 1578, 1608, 2104, 2144, 2304, 2367, 2412, 3156, 3216, 4208, 4288, 4608, 4734, 4824, 6312, 6432, 8416, 8576, 9468, 9648, 12624, 12864, 16832, 17152, 17621, 18936, 19296, 25248, 25728, 33664, 34304, 35242, 37872, 38592, 50496, 51456, 52863, 67328, 70484, 75744, 77184, 100992, 102912, 105726, 134656, 140968, 151488, 154368, 158589, 201984, 211452, 281936, 302976, 308736, 317178, 403968, 422904, 563872, 605952, 634356, 845808, 1127744, 1211904, 1268712, 1691616, 2255488, 2537424, 3383232, 4510976, 5074848, 6766464, 9021952, 10149696, 13532928, 20299392, 27065856, 40598784, 81197568]

約数ペア:

[(1, 81197568), (2, 40598784), (3, 27065856), (4, 20299392), (6, 13532928), (8, 10149696), (9, 9021952), (12, 6766464), (16, 5074848), (18, 4510976), (24, 3383232), (32, 2537424), (36, 2255488), (48, 1691616), (64, 1268712), (67, 1211904), (72, 1127744), (96, 845808), (128, 634356), (134, 605952), (144, 563872), (192, 422904), (201, 403968), (256, 317178), (263, 308736), (268, 302976), (288, 281936), (384, 211452), (402, 201984), (512, 158589), (526, 154368), (536, 151488), (576, 140968), (603, 134656), (768, 105726), (789, 102912), (804, 100992), (1052, 77184), (1072, 75744), (1152, 70484), (1206, 67328), (1536, 52863), (1578, 51456), (1608, 50496), (2104, 38592), (2144, 37872), (2304, 35242), (2367, 34304), (2412, 33664), (3156, 25728), (3216, 25248), (4208, 19296), (4288, 18936), (4608, 17621), (4734, 17152), (4824, 16832), (6312, 12864), (6432, 12624), (8416, 9648), (8576, 9468)]