71281152

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 120

約数和(自身を含む): 212784000

約数和(自身を除く): 141502848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 499, 512, 558, 576, 744, 768, 992, 998, 1116, 1152, 1488, 1497, 1536, 1984, 1996, 2232, 2304, 2976, 2994, 3968, 3992, 4464, 4491, 4608, 5952, 5988, 7936, 7984, 8928, 8982, 11904, 11976, 15469, 15872, 15968, 17856, 17964, 23808, 23952, 30938, 31936, 35712, 35928, 46407, 47616, 47904, 61876, 63872, 71424, 71856, 92814, 95808, 123752, 127744, 139221, 142848, 143712, 185628, 191616, 247504, 255488, 278442, 287424, 371256, 383232, 495008, 556884, 574848, 742512, 766464, 990016, 1113768, 1149696, 1485024, 1980032, 2227536, 2299392, 2970048, 3960064, 4455072, 5940096, 7920128, 8910144, 11880192, 17820288, 23760384, 35640576, 71281152]

約数ペア:

[(1, 71281152), (2, 35640576), (3, 23760384), (4, 17820288), (6, 11880192), (8, 8910144), (9, 7920128), (12, 5940096), (16, 4455072), (18, 3960064), (24, 2970048), (31, 2299392), (32, 2227536), (36, 1980032), (48, 1485024), (62, 1149696), (64, 1113768), (72, 990016), (93, 766464), (96, 742512), (124, 574848), (128, 556884), (144, 495008), (186, 383232), (192, 371256), (248, 287424), (256, 278442), (279, 255488), (288, 247504), (372, 191616), (384, 185628), (496, 143712), (499, 142848), (512, 139221), (558, 127744), (576, 123752), (744, 95808), (768, 92814), (992, 71856), (998, 71424), (1116, 63872), (1152, 61876), (1488, 47904), (1497, 47616), (1536, 46407), (1984, 35928), (1996, 35712), (2232, 31936), (2304, 30938), (2976, 23952), (2994, 23808), (3968, 17964), (3992, 17856), (4464, 15968), (4491, 15872), (4608, 15469), (5952, 11976), (5988, 11904), (7936, 8982), (7984, 8928)]