128665008

素因数分解:

$2^4\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1381}}^1$

素因数の和:2042

約数の個数: 60

約数和(自身を含む): 360901008

約数和(自身を除く): 232236000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 647, 1294, 1381, 1941, 2588, 2762, 3882, 4143, 5176, 5524, 5823, 7764, 8286, 10352, 11048, 11646, 12429, 15528, 16572, 22096, 23292, 24858, 31056, 33144, 46584, 49716, 66288, 93168, 99432, 198864, 893507, 1787014, 2680521, 3574028, 5361042, 7148056, 8041563, 10722084, 14296112, 16083126, 21444168, 32166252, 42888336, 64332504, 128665008]

約数ペア:

[(1, 128665008), (2, 64332504), (3, 42888336), (4, 32166252), (6, 21444168), (8, 16083126), (9, 14296112), (12, 10722084), (16, 8041563), (18, 7148056), (24, 5361042), (36, 3574028), (48, 2680521), (72, 1787014), (144, 893507), (647, 198864), (1294, 99432), (1381, 93168), (1941, 66288), (2588, 49716), (2762, 46584), (3882, 33144), (4143, 31056), (5176, 24858), (5524, 23292), (5823, 22096), (7764, 16572), (8286, 15528), (10352, 12429), (11048, 11646)]