256161870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2846243}}^1$

素因数の和:2846256

約数の個数: 24

約数和(自身を含む): 666021096

約数和(自身を除く): 409859226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2846243, 5692486, 8538729, 14231215, 17077458, 25616187, 28462430, 42693645, 51232374, 85387290, 128080935, 256161870]

約数ペア:

[(1, 256161870), (2, 128080935), (3, 85387290), (5, 51232374), (6, 42693645), (9, 28462430), (10, 25616187), (15, 17077458), (18, 14231215), (30, 8538729), (45, 5692486), (90, 2846243)]