28065780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155921}}^1$

素因数の和:155936

約数の個数: 36

約数和(自身を含む): 85133412

約数和(自身を除く): 57067632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155921, 311842, 467763, 623684, 779605, 935526, 1403289, 1559210, 1871052, 2338815, 2806578, 3118420, 4677630, 5613156, 7016445, 9355260, 14032890, 28065780]

約数ペア:

[(1, 28065780), (2, 14032890), (3, 9355260), (4, 7016445), (5, 5613156), (6, 4677630), (9, 3118420), (10, 2806578), (12, 2338815), (15, 1871052), (18, 1559210), (20, 1403289), (30, 935526), (36, 779605), (45, 623684), (60, 467763), (90, 311842), (180, 155921)]