180236140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1287401}}^1$

素因数の和:1287417

約数の個数: 24

約数和(自身を含む): 432567072

約数和(自身を除く): 252330932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1287401, 2574802, 5149604, 6437005, 9011807, 12874010, 18023614, 25748020, 36047228, 45059035, 90118070, 180236140]

約数ペア:

[(1, 180236140), (2, 90118070), (4, 45059035), (5, 36047228), (7, 25748020), (10, 18023614), (14, 12874010), (20, 9011807), (28, 6437005), (35, 5149604), (70, 2574802), (140, 1287401)]