217787280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907447}}^1$

素因数の和:907463

約数の個数: 40

約数和(自身を含む): 675141312

約数和(自身を除く): 457354032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907447, 1814894, 2722341, 3629788, 4537235, 5444682, 7259576, 9074470, 10889364, 13611705, 14519152, 18148940, 21778728, 27223410, 36297880, 43557456, 54446820, 72595760, 108893640, 217787280]

約数ペア:

[(1, 217787280), (2, 108893640), (3, 72595760), (4, 54446820), (5, 43557456), (6, 36297880), (8, 27223410), (10, 21778728), (12, 18148940), (15, 14519152), (16, 13611705), (20, 10889364), (24, 9074470), (30, 7259576), (40, 5444682), (48, 4537235), (60, 3629788), (80, 2722341), (120, 1814894), (240, 907447)]