28776420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159869}}^1$

素因数の和:159884

約数の個数: 36

約数和(自身を含む): 87289020

約数和(自身を除く): 58512600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159869, 319738, 479607, 639476, 799345, 959214, 1438821, 1598690, 1918428, 2398035, 2877642, 3197380, 4796070, 5755284, 7194105, 9592140, 14388210, 28776420]

約数ペア:

[(1, 28776420), (2, 14388210), (3, 9592140), (4, 7194105), (5, 5755284), (6, 4796070), (9, 3197380), (10, 2877642), (12, 2398035), (15, 1918428), (18, 1598690), (20, 1438821), (30, 959214), (36, 799345), (45, 639476), (60, 479607), (90, 319738), (180, 159869)]