155400720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647503}}^1$

素因数の和:647519

約数の個数: 40

約数和(自身を含む): 481742976

約数和(自身を除く): 326342256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647503, 1295006, 1942509, 2590012, 3237515, 3885018, 5180024, 6475030, 7770036, 9712545, 10360048, 12950060, 15540072, 19425090, 25900120, 31080144, 38850180, 51800240, 77700360, 155400720]

約数ペア:

[(1, 155400720), (2, 77700360), (3, 51800240), (4, 38850180), (5, 31080144), (6, 25900120), (8, 19425090), (10, 15540072), (12, 12950060), (15, 10360048), (16, 9712545), (20, 7770036), (24, 6475030), (30, 5180024), (40, 3885018), (48, 3237515), (60, 2590012), (80, 1942509), (120, 1295006), (240, 647503)]