28488420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{158269}}^1$

素因数の和:158284

約数の個数: 36

約数和(自身を含む): 86415420

約数和(自身を除く): 57927000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 158269, 316538, 474807, 633076, 791345, 949614, 1424421, 1582690, 1899228, 2374035, 2848842, 3165380, 4748070, 5697684, 7122105, 9496140, 14244210, 28488420]

約数ペア:

[(1, 28488420), (2, 14244210), (3, 9496140), (4, 7122105), (5, 5697684), (6, 4748070), (9, 3165380), (10, 2848842), (12, 2374035), (15, 1899228), (18, 1582690), (20, 1424421), (30, 949614), (36, 791345), (45, 633076), (60, 474807), (90, 316538), (180, 158269)]