90000180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{166667}}^1$

素因数の和:166685

約数の個数: 48

約数和(自身を含む): 280002240

約数和(自身を除く): 190002060

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, 166667, 333334, 500001, 666668, 833335, 1000002, 1500003, 1666670, 2000004, 2500005, 3000006, 3333340, 4500009, 5000010, 6000012, 7500015, 9000018, 10000020, 15000030, 18000036, 22500045, 30000060, 45000090, 90000180]

約数ペア:

[(1, 90000180), (2, 45000090), (3, 30000060), (4, 22500045), (5, 18000036), (6, 15000030), (9, 10000020), (10, 9000018), (12, 7500015), (15, 6000012), (18, 5000010), (20, 4500009), (27, 3333340), (30, 3000006), (36, 2500005), (45, 2000004), (54, 1666670), (60, 1500003), (90, 1000002), (108, 833335), (135, 666668), (180, 500001), (270, 333334), (540, 166667)]