144467720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12853}}^1$

素因数の和:13145

約数の個数: 32

約数和(自身を含む): 326234520

約数和(自身を除く): 181766800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 12853, 25706, 51412, 64265, 102824, 128530, 257060, 514120, 3611693, 7223386, 14446772, 18058465, 28893544, 36116930, 72233860, 144467720]

約数ペア:

[(1, 144467720), (2, 72233860), (4, 36116930), (5, 28893544), (8, 18058465), (10, 14446772), (20, 7223386), (40, 3611693), (281, 514120), (562, 257060), (1124, 128530), (1405, 102824), (2248, 64265), (2810, 51412), (5620, 25706), (11240, 12853)]