180399520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161071}}^1$

素因数の和:161093

約数の個数: 48

約数和(自身を含む): 487081728

約数和(自身を除く): 306682208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 161071, 322142, 644284, 805355, 1127497, 1288568, 1610710, 2254994, 2577136, 3221420, 4509988, 5154272, 5637485, 6442840, 9019976, 11274970, 12885680, 18039952, 22549940, 25771360, 36079904, 45099880, 90199760, 180399520]

約数ペア:

[(1, 180399520), (2, 90199760), (4, 45099880), (5, 36079904), (7, 25771360), (8, 22549940), (10, 18039952), (14, 12885680), (16, 11274970), (20, 9019976), (28, 6442840), (32, 5637485), (35, 5154272), (40, 4509988), (56, 3221420), (70, 2577136), (80, 2254994), (112, 1610710), (140, 1288568), (160, 1127497), (224, 805355), (280, 644284), (560, 322142), (1120, 161071)]