349380

素因数分解:

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

素因数の和:665

約数の個数: 48

約数和(自身を含む): 1088640

約数和(自身を除く): 739260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 647, 1294, 1941, 2588, 3235, 3882, 5823, 6470, 7764, 9705, 11646, 12940, 17469, 19410, 23292, 29115, 34938, 38820, 58230, 69876, 87345, 116460, 174690, 349380]

約数ペア:

[(1, 349380), (2, 174690), (3, 116460), (4, 87345), (5, 69876), (6, 58230), (9, 38820), (10, 34938), (12, 29115), (15, 23292), (18, 19410), (20, 17469), (27, 12940), (30, 11646), (36, 9705), (45, 7764), (54, 6470), (60, 5823), (90, 3882), (108, 3235), (135, 2588), (180, 1941), (270, 1294), (540, 647)]