128397870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1426643}}^1$

素因数の和:1426656

約数の個数: 24

約数和(自身を含む): 333834696

約数和(自身を除く): 205436826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1426643, 2853286, 4279929, 7133215, 8559858, 12839787, 14266430, 21399645, 25679574, 42799290, 64198935, 128397870]

約数ペア:

[(1, 128397870), (2, 64198935), (3, 42799290), (5, 25679574), (6, 21399645), (9, 14266430), (10, 12839787), (15, 8559858), (18, 7133215), (30, 4279929), (45, 2853286), (90, 1426643)]