128384460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237749}}^1$

素因数の和:237767

約数の個数: 48

約数和(自身を含む): 399420000

約数和(自身を除く): 271035540

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, 237749, 475498, 713247, 950996, 1188745, 1426494, 2139741, 2377490, 2852988, 3566235, 4279482, 4754980, 6419223, 7132470, 8558964, 10698705, 12838446, 14264940, 21397410, 25676892, 32096115, 42794820, 64192230, 128384460]

約数ペア:

[(1, 128384460), (2, 64192230), (3, 42794820), (4, 32096115), (5, 25676892), (6, 21397410), (9, 14264940), (10, 12838446), (12, 10698705), (15, 8558964), (18, 7132470), (20, 6419223), (27, 4754980), (30, 4279482), (36, 3566235), (45, 2852988), (54, 2377490), (60, 2139741), (90, 1426494), (108, 1188745), (135, 950996), (180, 713247), (270, 475498), (540, 237749)]