427020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 1306368

約数和(自身を除く): 879348

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, 647, 660, 1294, 1941, 2588, 3235, 3882, 6470, 7117, 7764, 9705, 12940, 14234, 19410, 21351, 28468, 35585, 38820, 42702, 71170, 85404, 106755, 142340, 213510, 427020]

約数ペア:

[(1, 427020), (2, 213510), (3, 142340), (4, 106755), (5, 85404), (6, 71170), (10, 42702), (11, 38820), (12, 35585), (15, 28468), (20, 21351), (22, 19410), (30, 14234), (33, 12940), (44, 9705), (55, 7764), (60, 7117), (66, 6470), (110, 3882), (132, 3235), (165, 2588), (220, 1941), (330, 1294), (647, 660)]