81900180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151667}}^1$

素因数の和:151685

約数の個数: 48

約数和(自身を含む): 254802240

約数和(自身を除く): 172902060

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, 151667, 303334, 455001, 606668, 758335, 910002, 1365003, 1516670, 1820004, 2275005, 2730006, 3033340, 4095009, 4550010, 5460012, 6825015, 8190018, 9100020, 13650030, 16380036, 20475045, 27300060, 40950090, 81900180]

約数ペア:

[(1, 81900180), (2, 40950090), (3, 27300060), (4, 20475045), (5, 16380036), (6, 13650030), (9, 9100020), (10, 8190018), (12, 6825015), (15, 5460012), (18, 4550010), (20, 4095009), (27, 3033340), (30, 2730006), (36, 2275005), (45, 1820004), (54, 1516670), (60, 1365003), (90, 910002), (108, 758335), (135, 606668), (180, 455001), (270, 303334), (540, 151667)]