161749260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{898607}}^1$

素因数の和:898622

約数の個数: 36

約数和(自身を含む): 490639968

約数和(自身を除く): 328890708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 898607, 1797214, 2695821, 3594428, 4493035, 5391642, 8087463, 8986070, 10783284, 13479105, 16174926, 17972140, 26958210, 32349852, 40437315, 53916420, 80874630, 161749260]

約数ペア:

[(1, 161749260), (2, 80874630), (3, 53916420), (4, 40437315), (5, 32349852), (6, 26958210), (9, 17972140), (10, 16174926), (12, 13479105), (15, 10783284), (18, 8986070), (20, 8087463), (30, 5391642), (36, 4493035), (45, 3594428), (60, 2695821), (90, 1797214), (180, 898607)]