15765720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131381}}^1$

素因数の和:131395

約数の個数: 32

約数和(自身を含む): 47297520

約数和(自身を除く): 31531800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131381, 262762, 394143, 525524, 656905, 788286, 1051048, 1313810, 1576572, 1970715, 2627620, 3153144, 3941430, 5255240, 7882860, 15765720]

約数ペア:

[(1, 15765720), (2, 7882860), (3, 5255240), (4, 3941430), (5, 3153144), (6, 2627620), (8, 1970715), (10, 1576572), (12, 1313810), (15, 1051048), (20, 788286), (24, 656905), (30, 525524), (40, 394143), (60, 262762), (120, 131381)]