51347280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213947}}^1$

素因数の和:213963

約数の個数: 40

約数和(自身を含む): 159177312

約数和(自身を除く): 107830032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213947, 427894, 641841, 855788, 1069735, 1283682, 1711576, 2139470, 2567364, 3209205, 3423152, 4278940, 5134728, 6418410, 8557880, 10269456, 12836820, 17115760, 25673640, 51347280]

約数ペア:

[(1, 51347280), (2, 25673640), (3, 17115760), (4, 12836820), (5, 10269456), (6, 8557880), (8, 6418410), (10, 5134728), (12, 4278940), (15, 3423152), (16, 3209205), (20, 2567364), (24, 2139470), (30, 1711576), (40, 1283682), (48, 1069735), (60, 855788), (80, 641841), (120, 427894), (240, 213947)]