9900180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{55001}}^1$

素因数の和:55016

約数の個数: 36

約数和(自身を含む): 30031092

約数和(自身を除く): 20130912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 55001, 110002, 165003, 220004, 275005, 330006, 495009, 550010, 660012, 825015, 990018, 1100020, 1650030, 1980036, 2475045, 3300060, 4950090, 9900180]

約数ペア:

[(1, 9900180), (2, 4950090), (3, 3300060), (4, 2475045), (5, 1980036), (6, 1650030), (9, 1100020), (10, 990018), (12, 825015), (15, 660012), (18, 550010), (20, 495009), (30, 330006), (36, 275005), (45, 220004), (60, 165003), (90, 110002), (180, 55001)]