20161080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56003}}^1$

素因数の和:56020

約数の個数: 48

約数和(自身を含む): 65524680

約数和(自身を除く): 45363600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56003, 112006, 168009, 224012, 280015, 336018, 448024, 504027, 560030, 672036, 840045, 1008054, 1120060, 1344072, 1680090, 2016108, 2240120, 2520135, 3360180, 4032216, 5040270, 6720360, 10080540, 20161080]

約数ペア:

[(1, 20161080), (2, 10080540), (3, 6720360), (4, 5040270), (5, 4032216), (6, 3360180), (8, 2520135), (9, 2240120), (10, 2016108), (12, 1680090), (15, 1344072), (18, 1120060), (20, 1008054), (24, 840045), (30, 672036), (36, 560030), (40, 504027), (45, 448024), (60, 336018), (72, 280015), (90, 224012), (120, 168009), (180, 112006), (360, 56003)]