78656220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{436979}}^1$

素因数の和:436994

約数の個数: 36

約数和(自身を含む): 238591080

約数和(自身を除く): 159934860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 436979, 873958, 1310937, 1747916, 2184895, 2621874, 3932811, 4369790, 5243748, 6554685, 7865622, 8739580, 13109370, 15731244, 19664055, 26218740, 39328110, 78656220]

約数ペア:

[(1, 78656220), (2, 39328110), (3, 26218740), (4, 19664055), (5, 15731244), (6, 13109370), (9, 8739580), (10, 7865622), (12, 6554685), (15, 5243748), (18, 4369790), (20, 3932811), (30, 2621874), (36, 2184895), (45, 1747916), (60, 1310937), (90, 873958), (180, 436979)]