Q: What is the total or count of factors of the number 122,057,136?

A: 120

How do I find the total factors of the number 122,057,136?

Step 1

Find the prime factorization of the number 122,057,136.

Use a factor tree to assist with solving. Take a look at our prime factorization page for additional help.

Factor Tree

	122,057,136

2		61,028,568

	2		30,514,284

		2		15,257,142

			2		7,628,571

				3		2,542,857

					3		847,619

						23		36,853

							137		269

The prime factorization in exponential form is: 2⁴ x 3² x 23¹ x 137¹ x 269¹

Step 2

Setup the equation for determining the number of factors or divisors. The equation is:

d(n) = (a + 1)(b + 1)(c + 1)(d + 1)(e + 1)

Where d(n) is equal to the number of divisors of the number and a, b, etc. are equal to the exponents of the prime factorization.

Now substitute the letters in the equation with the the exponents of your prime factorization and then solve to calculate the total number of divisors.

122,057,136 = 2⁴ x 3² x 23¹ x 137¹ x 269¹

d(n) = (a + 1)(b + 1)(c + 1)(d + 1)(e + 1)

d(122057136) = (4 + 1)(2 + 1)(1 + 1)(1 + 1)(1 + 1)

d(122057136) = (5)(3)(2)(2)(2)

d(122057136) = 120

More numbers for you to try

Take a look at the factors page to see the factors of 122,057,136 and how to find them.

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