72818060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520129}}^1$

素因数の和:520145

約数の個数: 24

約数和(自身を含む): 174763680

約数和(自身を除く): 101945620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520129, 1040258, 2080516, 2600645, 3640903, 5201290, 7281806, 10402580, 14563612, 18204515, 36409030, 72818060]

約数ペア:

[(1, 72818060), (2, 36409030), (4, 18204515), (5, 14563612), (7, 10402580), (10, 7281806), (14, 5201290), (20, 3640903), (28, 2600645), (35, 2080516), (70, 1040258), (140, 520129)]