281639360

素因数分解:

$2^6\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1609}}^1$

素因数の和:2173

約数の個数: 56

約数和(自身を含む): 672297360

約数和(自身を除く): 390658000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 547, 1094, 1609, 2188, 2735, 3218, 4376, 5470, 6436, 8045, 8752, 10940, 12872, 16090, 17504, 21880, 25744, 32180, 35008, 43760, 51488, 64360, 87520, 102976, 128720, 175040, 257440, 514880, 880123, 1760246, 3520492, 4400615, 7040984, 8801230, 14081968, 17602460, 28163936, 35204920, 56327872, 70409840, 140819680, 281639360]

約数ペア:

[(1, 281639360), (2, 140819680), (4, 70409840), (5, 56327872), (8, 35204920), (10, 28163936), (16, 17602460), (20, 14081968), (32, 8801230), (40, 7040984), (64, 4400615), (80, 3520492), (160, 1760246), (320, 880123), (547, 514880), (1094, 257440), (1609, 175040), (2188, 128720), (2735, 102976), (3218, 87520), (4376, 64360), (5470, 51488), (6436, 43760), (8045, 35008), (8752, 32180), (10940, 25744), (12872, 21880), (16090, 17504)]