2160540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{4001}}^1$

素因数の和:4019

約数の個数: 48

約数和(自身を含む): 6723360

約数和(自身を除く): 4562820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 4001, 8002, 12003, 16004, 20005, 24006, 36009, 40010, 48012, 60015, 72018, 80020, 108027, 120030, 144036, 180045, 216054, 240060, 360090, 432108, 540135, 720180, 1080270, 2160540]

約数ペア:

[(1, 2160540), (2, 1080270), (3, 720180), (4, 540135), (5, 432108), (6, 360090), (9, 240060), (10, 216054), (12, 180045), (15, 144036), (18, 120030), (20, 108027), (27, 80020), (30, 72018), (36, 60015), (45, 48012), (54, 40010), (60, 36009), (90, 24006), (108, 20005), (135, 16004), (180, 12003), (270, 8002), (540, 4001)]