26821980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149011}}^1$

素因数の和:149026

約数の個数: 36

約数和(自身を含む): 81360552

約数和(自身を除く): 54538572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 149011, 298022, 447033, 596044, 745055, 894066, 1341099, 1490110, 1788132, 2235165, 2682198, 2980220, 4470330, 5364396, 6705495, 8940660, 13410990, 26821980]

約数ペア:

[(1, 26821980), (2, 13410990), (3, 8940660), (4, 6705495), (5, 5364396), (6, 4470330), (9, 2980220), (10, 2682198), (12, 2235165), (15, 1788132), (18, 1490110), (20, 1341099), (30, 894066), (36, 745055), (45, 596044), (60, 447033), (90, 298022), (180, 149011)]