77881620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1298027}}^1$

素因数の和:1298039

約数の個数: 24

約数和(自身を含む): 218068704

約数和(自身を除く): 140187084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1298027, 2596054, 3894081, 5192108, 6490135, 7788162, 12980270, 15576324, 19470405, 25960540, 38940810, 77881620]

約数ペア:

[(1, 77881620), (2, 38940810), (3, 25960540), (4, 19470405), (5, 15576324), (6, 12980270), (10, 7788162), (12, 6490135), (15, 5192108), (20, 3894081), (30, 2596054), (60, 1298027)]