17880016

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 45139968

約数和(自身を除く): 27259952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 631, 644, 1012, 1232, 1262, 1288, 1771, 2024, 2524, 2576, 3542, 4048, 4417, 5048, 6941, 7084, 8834, 10096, 13882, 14168, 14513, 17668, 27764, 28336, 29026, 35336, 48587, 55528, 58052, 70672, 97174, 101591, 111056, 116104, 159643, 194348, 203182, 232208, 319286, 388696, 406364, 638572, 777392, 812728, 1117501, 1277144, 1625456, 2235002, 2554288, 4470004, 8940008, 17880016]

約数ペア:

[(1, 17880016), (2, 8940008), (4, 4470004), (7, 2554288), (8, 2235002), (11, 1625456), (14, 1277144), (16, 1117501), (22, 812728), (23, 777392), (28, 638572), (44, 406364), (46, 388696), (56, 319286), (77, 232208), (88, 203182), (92, 194348), (112, 159643), (154, 116104), (161, 111056), (176, 101591), (184, 97174), (253, 70672), (308, 58052), (322, 55528), (368, 48587), (506, 35336), (616, 29026), (631, 28336), (644, 27764), (1012, 17668), (1232, 14513), (1262, 14168), (1288, 13882), (1771, 10096), (2024, 8834), (2524, 7084), (2576, 6941), (3542, 5048), (4048, 4417)]