1980540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11003}}^1$

素因数の和:11018

約数の個数: 36

約数和(自身を含む): 6008184

約数和(自身を除く): 4027644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11003, 22006, 33009, 44012, 55015, 66018, 99027, 110030, 132036, 165045, 198054, 220060, 330090, 396108, 495135, 660180, 990270, 1980540]

約数ペア:

[(1, 1980540), (2, 990270), (3, 660180), (4, 495135), (5, 396108), (6, 330090), (9, 220060), (10, 198054), (12, 165045), (15, 132036), (18, 110030), (20, 99027), (30, 66018), (36, 55015), (45, 44012), (60, 33009), (90, 22006), (180, 11003)]