64140840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{178169}}^1$

素因数の和:178186

約数の個数: 48

約数和(自身を含む): 208458900

約数和(自身を除く): 144318060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 178169, 356338, 534507, 712676, 890845, 1069014, 1425352, 1603521, 1781690, 2138028, 2672535, 3207042, 3563380, 4276056, 5345070, 6414084, 7126760, 8017605, 10690140, 12828168, 16035210, 21380280, 32070420, 64140840]

約数ペア:

[(1, 64140840), (2, 32070420), (3, 21380280), (4, 16035210), (5, 12828168), (6, 10690140), (8, 8017605), (9, 7126760), (10, 6414084), (12, 5345070), (15, 4276056), (18, 3563380), (20, 3207042), (24, 2672535), (30, 2138028), (36, 1781690), (40, 1603521), (45, 1425352), (60, 1069014), (72, 890845), (90, 712676), (120, 534507), (180, 356338), (360, 178169)]