1267383920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1440209}}^1$

素因数の和:1440233

約数の個数: 40

約数和(自身を含む): 3214548720

約数和(自身を除く): 1947164800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1440209, 2880418, 5760836, 7201045, 11521672, 14402090, 15842299, 23043344, 28804180, 31684598, 57608360, 63369196, 79211495, 115216720, 126738392, 158422990, 253476784, 316845980, 633691960, 1267383920]

約数ペア:

[(1, 1267383920), (2, 633691960), (4, 316845980), (5, 253476784), (8, 158422990), (10, 126738392), (11, 115216720), (16, 79211495), (20, 63369196), (22, 57608360), (40, 31684598), (44, 28804180), (55, 23043344), (80, 15842299), (88, 14402090), (110, 11521672), (176, 7201045), (220, 5760836), (440, 2880418), (880, 1440209)]