120992080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137491}}^1$

素因数の和:137515

約数の個数: 40

約数和(自身を含む): 306882144

約数和(自身を除く): 185890064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 137491, 274982, 549964, 687455, 1099928, 1374910, 1512401, 2199856, 2749820, 3024802, 5499640, 6049604, 7562005, 10999280, 12099208, 15124010, 24198416, 30248020, 60496040, 120992080]

約数ペア:

[(1, 120992080), (2, 60496040), (4, 30248020), (5, 24198416), (8, 15124010), (10, 12099208), (11, 10999280), (16, 7562005), (20, 6049604), (22, 5499640), (40, 3024802), (44, 2749820), (55, 2199856), (80, 1512401), (88, 1374910), (110, 1099928), (176, 687455), (220, 549964), (440, 274982), (880, 137491)]