99790080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 144

約数和(自身を含む): 343392000

約数和(自身を除く): 243601920

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, 1560, 1664, 1920, 1999, 2080, 2496, 3120, 3328, 3840, 3998, 4160, 4992, 5997, 6240, 7996, 8320, 9984, 9995, 11994, 12480, 15992, 16640, 19990, 23988, 24960, 25987, 29985, 31984, 39980, 47976, 49920, 51974, 59970, 63968, 77961, 79960, 95952, 103948, 119940, 127936, 129935, 155922, 159920, 191904, 207896, 239880, 255872, 259870, 311844, 319840, 383808, 389805, 415792, 479760, 511744, 519740, 623688, 639680, 767616, 779610, 831584, 959520, 1039480, 1247376, 1279360, 1535232, 1559220, 1663168, 1919040, 2078960, 2494752, 2558720, 3118440, 3326336, 3838080, 4157920, 4989504, 6236880, 6652672, 7676160, 8315840, 9979008, 12473760, 16631680, 19958016, 24947520, 33263360, 49895040, 99790080]

約数ペア:

[(1, 99790080), (2, 49895040), (3, 33263360), (4, 24947520), (5, 19958016), (6, 16631680), (8, 12473760), (10, 9979008), (12, 8315840), (13, 7676160), (15, 6652672), (16, 6236880), (20, 4989504), (24, 4157920), (26, 3838080), (30, 3326336), (32, 3118440), (39, 2558720), (40, 2494752), (48, 2078960), (52, 1919040), (60, 1663168), (64, 1559220), (65, 1535232), (78, 1279360), (80, 1247376), (96, 1039480), (104, 959520), (120, 831584), (128, 779610), (130, 767616), (156, 639680), (160, 623688), (192, 519740), (195, 511744), (208, 479760), (240, 415792), (256, 389805), (260, 383808), (312, 319840), (320, 311844), (384, 259870), (390, 255872), (416, 239880), (480, 207896), (520, 191904), (624, 159920), (640, 155922), (768, 129935), (780, 127936), (832, 119940), (960, 103948), (1040, 95952), (1248, 79960), (1280, 77961), (1560, 63968), (1664, 59970), (1920, 51974), (1999, 49920), (2080, 47976), (2496, 39980), (3120, 31984), (3328, 29985), (3840, 25987), (3998, 24960), (4160, 23988), (4992, 19990), (5997, 16640), (6240, 15992), (7996, 12480), (8320, 11994), (9984, 9995)]