639203280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2663347}}^1$

素因数の和:2663363

約数の個数: 40

約数和(自身を含む): 1981530912

約数和(自身を除く): 1342327632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2663347, 5326694, 7990041, 10653388, 13316735, 15980082, 21306776, 26633470, 31960164, 39950205, 42613552, 53266940, 63920328, 79900410, 106533880, 127840656, 159800820, 213067760, 319601640, 639203280]

約数ペア:

[(1, 639203280), (2, 319601640), (3, 213067760), (4, 159800820), (5, 127840656), (6, 106533880), (8, 79900410), (10, 63920328), (12, 53266940), (15, 42613552), (16, 39950205), (20, 31960164), (24, 26633470), (30, 21306776), (40, 15980082), (48, 13316735), (60, 10653388), (80, 7990041), (120, 5326694), (240, 2663347)]