61997220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{344429}}^1$

素因数の和:344444

約数の個数: 36

約数和(自身を含む): 188058780

約数和(自身を除く): 126061560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 344429, 688858, 1033287, 1377716, 1722145, 2066574, 3099861, 3444290, 4133148, 5166435, 6199722, 6888580, 10332870, 12399444, 15499305, 20665740, 30998610, 61997220]

約数ペア:

[(1, 61997220), (2, 30998610), (3, 20665740), (4, 15499305), (5, 12399444), (6, 10332870), (9, 6888580), (10, 6199722), (12, 5166435), (15, 4133148), (18, 3444290), (20, 3099861), (30, 2066574), (36, 1722145), (45, 1377716), (60, 1033287), (90, 688858), (180, 344429)]