128776140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715423}}^1$

素因数の和:715438

約数の個数: 36

約数和(自身を含む): 390621504

約数和(自身を除く): 261845364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715423, 1430846, 2146269, 2861692, 3577115, 4292538, 6438807, 7154230, 8585076, 10731345, 12877614, 14308460, 21462690, 25755228, 32194035, 42925380, 64388070, 128776140]

約数ペア:

[(1, 128776140), (2, 64388070), (3, 42925380), (4, 32194035), (5, 25755228), (6, 21462690), (9, 14308460), (10, 12877614), (12, 10731345), (15, 8585076), (18, 7154230), (20, 6438807), (30, 4292538), (36, 3577115), (45, 2861692), (60, 2146269), (90, 1430846), (180, 715423)]