640773648

素因数分解:

$2^4\times 3^2\times {\mathrm{4449817}}^1$

素因数の和:4449831

約数の個数: 30

約数和(自身を含む): 1793276654

約数和(自身を除く): 1152503006

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4449817, 8899634, 13349451, 17799268, 26698902, 35598536, 40048353, 53397804, 71197072, 80096706, 106795608, 160193412, 213591216, 320386824, 640773648]

約数ペア:

[(1, 640773648), (2, 320386824), (3, 213591216), (4, 160193412), (6, 106795608), (8, 80096706), (9, 71197072), (12, 53397804), (16, 40048353), (18, 35598536), (24, 26698902), (36, 17799268), (48, 13349451), (72, 8899634), (144, 4449817)]