28090980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156061}}^1$

素因数の和:156076

約数の個数: 36

約数和(自身を含む): 85209852

約数和(自身を除く): 57118872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156061, 312122, 468183, 624244, 780305, 936366, 1404549, 1560610, 1872732, 2340915, 2809098, 3121220, 4681830, 5618196, 7022745, 9363660, 14045490, 28090980]

約数ペア:

[(1, 28090980), (2, 14045490), (3, 9363660), (4, 7022745), (5, 5618196), (6, 4681830), (9, 3121220), (10, 2809098), (12, 2340915), (15, 1872732), (18, 1560610), (20, 1404549), (30, 936366), (36, 780305), (45, 624244), (60, 468183), (90, 312122), (180, 156061)]