1618444980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{8991361}}^1$

素因数の和:8991376

約数の個数: 36

約数和(自身を含む): 4909283652

約数和(自身を除く): 3290838672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 8991361, 17982722, 26974083, 35965444, 44956805, 53948166, 80922249, 89913610, 107896332, 134870415, 161844498, 179827220, 269740830, 323688996, 404611245, 539481660, 809222490, 1618444980]

約数ペア:

[(1, 1618444980), (2, 809222490), (3, 539481660), (4, 404611245), (5, 323688996), (6, 269740830), (9, 179827220), (10, 161844498), (12, 134870415), (15, 107896332), (18, 89913610), (20, 80922249), (30, 53948166), (36, 44956805), (45, 35965444), (60, 26974083), (90, 17982722), (180, 8991361)]