81590280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679919}}^1$

素因数の和:679933

約数の個数: 32

約数和(自身を含む): 244771200

約数和(自身を除く): 163180920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679919, 1359838, 2039757, 2719676, 3399595, 4079514, 5439352, 6799190, 8159028, 10198785, 13598380, 16318056, 20397570, 27196760, 40795140, 81590280]

約数ペア:

[(1, 81590280), (2, 40795140), (3, 27196760), (4, 20397570), (5, 16318056), (6, 13598380), (8, 10198785), (10, 8159028), (12, 6799190), (15, 5439352), (20, 4079514), (24, 3399595), (30, 2719676), (40, 2039757), (60, 1359838), (120, 679919)]