120905960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431807}}^1$

素因数の和:431825

約数の個数: 32

約数和(自身を含む): 310901760

約数和(自身を除く): 189995800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431807, 863614, 1727228, 2159035, 3022649, 3454456, 4318070, 6045298, 8636140, 12090596, 15113245, 17272280, 24181192, 30226490, 60452980, 120905960]

約数ペア:

[(1, 120905960), (2, 60452980), (4, 30226490), (5, 24181192), (7, 17272280), (8, 15113245), (10, 12090596), (14, 8636140), (20, 6045298), (28, 4318070), (35, 3454456), (40, 3022649), (56, 2159035), (70, 1727228), (140, 863614), (280, 431807)]