16805580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25463}}^1$

素因数の和:25486

約数の個数: 48

約数和(自身を含む): 51335424

約数和(自身を除く): 34529844

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 25463, 50926, 76389, 101852, 127315, 152778, 254630, 280093, 305556, 381945, 509260, 560186, 763890, 840279, 1120372, 1400465, 1527780, 1680558, 2800930, 3361116, 4201395, 5601860, 8402790, 16805580]

約数ペア:

[(1, 16805580), (2, 8402790), (3, 5601860), (4, 4201395), (5, 3361116), (6, 2800930), (10, 1680558), (11, 1527780), (12, 1400465), (15, 1120372), (20, 840279), (22, 763890), (30, 560186), (33, 509260), (44, 381945), (55, 305556), (60, 280093), (66, 254630), (110, 152778), (132, 127315), (165, 101852), (220, 76389), (330, 50926), (660, 25463)]