289427280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1205947}}^1$

素因数の和:1205963

約数の個数: 40

約数和(自身を含む): 897225312

約数和(自身を除く): 607798032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1205947, 2411894, 3617841, 4823788, 6029735, 7235682, 9647576, 12059470, 14471364, 18089205, 19295152, 24118940, 28942728, 36178410, 48237880, 57885456, 72356820, 96475760, 144713640, 289427280]

約数ペア:

[(1, 289427280), (2, 144713640), (3, 96475760), (4, 72356820), (5, 57885456), (6, 48237880), (8, 36178410), (10, 28942728), (12, 24118940), (15, 19295152), (16, 18089205), (20, 14471364), (24, 12059470), (30, 9647576), (40, 7235682), (48, 6029735), (60, 4823788), (80, 3617841), (120, 2411894), (240, 1205947)]