1620227560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5786527}}^1$

素因数の和:5786545

約数の個数: 32

約数和(自身を含む): 4166300160

約数和(自身を除く): 2546072600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5786527, 11573054, 23146108, 28932635, 40505689, 46292216, 57865270, 81011378, 115730540, 162022756, 202528445, 231461080, 324045512, 405056890, 810113780, 1620227560]

約数ペア:

[(1, 1620227560), (2, 810113780), (4, 405056890), (5, 324045512), (7, 231461080), (8, 202528445), (10, 162022756), (14, 115730540), (20, 81011378), (28, 57865270), (35, 46292216), (40, 40505689), (56, 28932635), (70, 23146108), (140, 11573054), (280, 5786527)]