18720180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34667}}^1$

素因数の和:34685

約数の個数: 48

約数和(自身を含む): 58242240

約数和(自身を除く): 39522060

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, 34667, 69334, 104001, 138668, 173335, 208002, 312003, 346670, 416004, 520005, 624006, 693340, 936009, 1040010, 1248012, 1560015, 1872018, 2080020, 3120030, 3744036, 4680045, 6240060, 9360090, 18720180]

約数ペア:

[(1, 18720180), (2, 9360090), (3, 6240060), (4, 4680045), (5, 3744036), (6, 3120030), (9, 2080020), (10, 1872018), (12, 1560015), (15, 1248012), (18, 1040010), (20, 936009), (27, 693340), (30, 624006), (36, 520005), (45, 416004), (54, 346670), (60, 312003), (90, 208002), (108, 173335), (135, 138668), (180, 104001), (270, 69334), (540, 34667)]