640532952

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{121867}}^1$

素因数の和:121952

約数の個数: 48

約数和(自身を含む): 1758555240

約数和(自身を除く): 1118022288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 5256, 121867, 243734, 365601, 487468, 731202, 974936, 1096803, 1462404, 2193606, 2924808, 4387212, 8774424, 8896291, 17792582, 26688873, 35585164, 53377746, 71170328, 80066619, 106755492, 160133238, 213510984, 320266476, 640532952]

約数ペア:

[(1, 640532952), (2, 320266476), (3, 213510984), (4, 160133238), (6, 106755492), (8, 80066619), (9, 71170328), (12, 53377746), (18, 35585164), (24, 26688873), (36, 17792582), (72, 8896291), (73, 8774424), (146, 4387212), (219, 2924808), (292, 2193606), (438, 1462404), (584, 1096803), (657, 974936), (876, 731202), (1314, 487468), (1752, 365601), (2628, 243734), (5256, 121867)]