40812780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{680213}}^1$

素因数の和:680225

約数の個数: 24

約数和(自身を含む): 114275952

約数和(自身を除く): 73463172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 680213, 1360426, 2040639, 2720852, 3401065, 4081278, 6802130, 8162556, 10203195, 13604260, 20406390, 40812780]

約数ペア:

[(1, 40812780), (2, 20406390), (3, 13604260), (4, 10203195), (5, 8162556), (6, 6802130), (10, 4081278), (12, 3401065), (15, 2720852), (20, 2040639), (30, 1360426), (60, 680213)]