80721060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192193}}^1$

素因数の和:192212

約数の個数: 48

約数和(自身を含む): 258308736

約数和(自身を除く): 177587676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192193, 384386, 576579, 768772, 960965, 1153158, 1345351, 1921930, 2306316, 2690702, 2882895, 3843860, 4036053, 5381404, 5765790, 6726755, 8072106, 11531580, 13453510, 16144212, 20180265, 26907020, 40360530, 80721060]

約数ペア:

[(1, 80721060), (2, 40360530), (3, 26907020), (4, 20180265), (5, 16144212), (6, 13453510), (7, 11531580), (10, 8072106), (12, 6726755), (14, 5765790), (15, 5381404), (20, 4036053), (21, 3843860), (28, 2882895), (30, 2690702), (35, 2306316), (42, 1921930), (60, 1345351), (70, 1153158), (84, 960965), (105, 768772), (140, 576579), (210, 384386), (420, 192193)]