180810140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291501}}^1$

素因数の和:1291517

約数の個数: 24

約数和(自身を含む): 433944672

約数和(自身を除く): 253134532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291501, 2583002, 5166004, 6457505, 9040507, 12915010, 18081014, 25830020, 36162028, 45202535, 90405070, 180810140]

約数ペア:

[(1, 180810140), (2, 90405070), (4, 45202535), (5, 36162028), (7, 25830020), (10, 18081014), (14, 12915010), (20, 9040507), (28, 6457505), (35, 5166004), (70, 2583002), (140, 1291501)]