77566160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138511}}^1$

素因数の和:138531

約数の個数: 40

約数和(自身を含む): 206105856

約数和(自身を除く): 128539696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138511, 277022, 554044, 692555, 969577, 1108088, 1385110, 1939154, 2216176, 2770220, 3878308, 4847885, 5540440, 7756616, 9695770, 11080880, 15513232, 19391540, 38783080, 77566160]

約数ペア:

[(1, 77566160), (2, 38783080), (4, 19391540), (5, 15513232), (7, 11080880), (8, 9695770), (10, 7756616), (14, 5540440), (16, 4847885), (20, 3878308), (28, 2770220), (35, 2216176), (40, 1939154), (56, 1385110), (70, 1108088), (80, 969577), (112, 692555), (140, 554044), (280, 277022), (560, 138511)]