128977260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149621}}^1$

素因数の和:2149633

約数の個数: 24

約数和(自身を含む): 361136496

約数和(自身を除く): 232159236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149621, 4299242, 6448863, 8598484, 10748105, 12897726, 21496210, 25795452, 32244315, 42992420, 64488630, 128977260]

約数ペア:

[(1, 128977260), (2, 64488630), (3, 42992420), (4, 32244315), (5, 25795452), (6, 21496210), (10, 12897726), (12, 10748105), (15, 8598484), (20, 6448863), (30, 4299242), (60, 2149621)]