720180

素因数分解:

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

素因数の和:4016

約数の個数: 36

約数和(自身を含む): 2185092

約数和(自身を除く): 1464912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4001, 8002, 12003, 16004, 20005, 24006, 36009, 40010, 48012, 60015, 72018, 80020, 120030, 144036, 180045, 240060, 360090, 720180]

約数ペア:

[(1, 720180), (2, 360090), (3, 240060), (4, 180045), (5, 144036), (6, 120030), (9, 80020), (10, 72018), (12, 60015), (15, 48012), (18, 40010), (20, 36009), (30, 24006), (36, 20005), (45, 16004), (60, 12003), (90, 8002), (180, 4001)]