Q: What is the total or count of factors of the number 155,134,440?

 A: 80

How do I find the total factors of the number 155,134,440?

Step 1

Find the prime factorization of the number 155,134,440.

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

Factor Tree
155,134,440
Factor Arrows
277,567,220
Factor Arrows
238,783,610
Factor Arrows
219,391,805
Factor Arrows
36,463,935
Factor Arrows
32,154,645
Factor Arrows
3718,215
Factor Arrows
3239,405
Factor Arrows
547,881

The prime factorization in exponential form is: 23 x 34 x 51 x 47,8811

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)

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.

155,134,440 = 23 x 34 x 51 x 47,8811
Down Arrow
d(n) = (a + 1)(b + 1)(c + 1)(d + 1)
Down Arrow
d(155134440) = (3 + 1)(4 + 1)(1 + 1)(1 + 1)
Down Arrow
d(155134440) = (4)(5)(2)(2)
Down Arrow
d(155134440) = 80

More numbers for you to try

Take a look at the factors page to see the factors of 155,134,440 and how to find them.

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