28685880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{26561}}^1$

素因数の和:26581

約数の個数: 64

約数和(自身を含む): 95623200

約数和(自身を除く): 66937320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 26561, 53122, 79683, 106244, 132805, 159366, 212488, 239049, 265610, 318732, 398415, 478098, 531220, 637464, 717147, 796830, 956196, 1062440, 1195245, 1434294, 1593660, 1912392, 2390490, 2868588, 3187320, 3585735, 4780980, 5737176, 7171470, 9561960, 14342940, 28685880]

約数ペア:

[(1, 28685880), (2, 14342940), (3, 9561960), (4, 7171470), (5, 5737176), (6, 4780980), (8, 3585735), (9, 3187320), (10, 2868588), (12, 2390490), (15, 1912392), (18, 1593660), (20, 1434294), (24, 1195245), (27, 1062440), (30, 956196), (36, 796830), (40, 717147), (45, 637464), (54, 531220), (60, 478098), (72, 398415), (90, 318732), (108, 265610), (120, 239049), (135, 212488), (180, 159366), (216, 132805), (270, 106244), (360, 79683), (540, 53122), (1080, 26561)]