131815020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2196917}}^1$

素因数の和:2196929

約数の個数: 24

約数和(自身を含む): 369082224

約数和(自身を除く): 237267204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2196917, 4393834, 6590751, 8787668, 10984585, 13181502, 21969170, 26363004, 32953755, 43938340, 65907510, 131815020]

約数ペア:

[(1, 131815020), (2, 65907510), (3, 43938340), (4, 32953755), (5, 26363004), (6, 21969170), (10, 13181502), (12, 10984585), (15, 8787668), (20, 6590751), (30, 4393834), (60, 2196917)]