321279744

素因数分解:

$2^8\times 3^1\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 857825920

約数和(自身を除く): 536546176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 487, 768, 859, 974, 1461, 1718, 1948, 2577, 2922, 3436, 3896, 5154, 5844, 6872, 7792, 10308, 11688, 13744, 15584, 20616, 23376, 27488, 31168, 41232, 46752, 54976, 62336, 82464, 93504, 109952, 124672, 164928, 187008, 219904, 329856, 374016, 418333, 659712, 836666, 1254999, 1673332, 2509998, 3346664, 5019996, 6693328, 10039992, 13386656, 20079984, 26773312, 40159968, 53546624, 80319936, 107093248, 160639872, 321279744]

約数ペア:

[(1, 321279744), (2, 160639872), (3, 107093248), (4, 80319936), (6, 53546624), (8, 40159968), (12, 26773312), (16, 20079984), (24, 13386656), (32, 10039992), (48, 6693328), (64, 5019996), (96, 3346664), (128, 2509998), (192, 1673332), (256, 1254999), (384, 836666), (487, 659712), (768, 418333), (859, 374016), (974, 329856), (1461, 219904), (1718, 187008), (1948, 164928), (2577, 124672), (2922, 109952), (3436, 93504), (3896, 82464), (5154, 62336), (5844, 54976), (6872, 46752), (7792, 41232), (10308, 31168), (11688, 27488), (13744, 23376), (15584, 20616)]