00:01
Hello, let's have a look at the question.
00:02
So we have n is equals to 180.
00:06
Now we can write this as 2 square into 3 square into 5 to the power 1.
00:12
So now we can say here that the number of divisors, that is dn is equals to 2 plus 1 into again 2 plus 1 and into 1 plus 1.
00:29
So this will be equals to 3 into 3 into 2.
00:34
So now this is equals to 18.
00:37
Now let us list all the divisors.
00:43
So these are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, then we have 36...