80319780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{446221}}^1$

素因数の和:446236

約数の個数: 36

約数和(自身を含む): 243637212

約数和(自身を除く): 163317432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 446221, 892442, 1338663, 1784884, 2231105, 2677326, 4015989, 4462210, 5354652, 6693315, 8031978, 8924420, 13386630, 16063956, 20079945, 26773260, 40159890, 80319780]

約数ペア:

[(1, 80319780), (2, 40159890), (3, 26773260), (4, 20079945), (5, 16063956), (6, 13386630), (9, 8924420), (10, 8031978), (12, 6693315), (15, 5354652), (18, 4462210), (20, 4015989), (30, 2677326), (36, 2231105), (45, 1784884), (60, 1338663), (90, 892442), (180, 446221)]