28279620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157109}}^1$

素因数の和:157124

約数の個数: 36

約数和(自身を含む): 85782060

約数和(自身を除く): 57502440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157109, 314218, 471327, 628436, 785545, 942654, 1413981, 1571090, 1885308, 2356635, 2827962, 3142180, 4713270, 5655924, 7069905, 9426540, 14139810, 28279620]

約数ペア:

[(1, 28279620), (2, 14139810), (3, 9426540), (4, 7069905), (5, 5655924), (6, 4713270), (9, 3142180), (10, 2827962), (12, 2356635), (15, 1885308), (18, 1571090), (20, 1413981), (30, 942654), (36, 785545), (45, 628436), (60, 471327), (90, 314218), (180, 157109)]