120519560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{430427}}^1$

素因数の和:430445

約数の個数: 32

約数和(自身を含む): 309908160

約数和(自身を除く): 189388600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 430427, 860854, 1721708, 2152135, 3012989, 3443416, 4304270, 6025978, 8608540, 12051956, 15064945, 17217080, 24103912, 30129890, 60259780, 120519560]

約数ペア:

[(1, 120519560), (2, 60259780), (4, 30129890), (5, 24103912), (7, 17217080), (8, 15064945), (10, 12051956), (14, 8608540), (20, 6025978), (28, 4304270), (35, 3443416), (40, 3012989), (56, 2152135), (70, 1721708), (140, 860854), (280, 430427)]