1284080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2293}}^1$

素因数の和:2313

約数の個数: 40

約数和(自身を含む): 3413472

約数和(自身を除く): 2129392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2293, 4586, 9172, 11465, 16051, 18344, 22930, 32102, 36688, 45860, 64204, 80255, 91720, 128408, 160510, 183440, 256816, 321020, 642040, 1284080]

約数ペア:

[(1, 1284080), (2, 642040), (4, 321020), (5, 256816), (7, 183440), (8, 160510), (10, 128408), (14, 91720), (16, 80255), (20, 64204), (28, 45860), (35, 36688), (40, 32102), (56, 22930), (70, 18344), (80, 16051), (112, 11465), (140, 9172), (280, 4586), (560, 2293)]