180328120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{644029}}^1$

素因数の和:644047

約数の個数: 32

約数和(自身を含む): 463701600

約数和(自身を除く): 283373480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 644029, 1288058, 2576116, 3220145, 4508203, 5152232, 6440290, 9016406, 12880580, 18032812, 22541015, 25761160, 36065624, 45082030, 90164060, 180328120]

約数ペア:

[(1, 180328120), (2, 90164060), (4, 45082030), (5, 36065624), (7, 25761160), (8, 22541015), (10, 18032812), (14, 12880580), (20, 9016406), (28, 6440290), (35, 5152232), (40, 4508203), (56, 3220145), (70, 2576116), (140, 1288058), (280, 644029)]