1296757040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{558947}}^1$

素因数の和:558989

約数の個数: 40

約数和(自身を含む): 3118929840

約数和(自身を除く): 1822172800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 558947, 1117894, 2235788, 2794735, 4471576, 5589470, 8943152, 11178940, 16209463, 22357880, 32418926, 44715760, 64837852, 81047315, 129675704, 162094630, 259351408, 324189260, 648378520, 1296757040]

約数ペア:

[(1, 1296757040), (2, 648378520), (4, 324189260), (5, 259351408), (8, 162094630), (10, 129675704), (16, 81047315), (20, 64837852), (29, 44715760), (40, 32418926), (58, 22357880), (80, 16209463), (116, 11178940), (145, 8943152), (232, 5589470), (290, 4471576), (464, 2794735), (580, 2235788), (1160, 1117894), (2320, 558947)]