261813780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1454521}}^1$

素因数の和:1454536

約数の個数: 36

約数和(自身を含む): 794169012

約数和(自身を除く): 532355232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1454521, 2909042, 4363563, 5818084, 7272605, 8727126, 13090689, 14545210, 17454252, 21817815, 26181378, 29090420, 43635630, 52362756, 65453445, 87271260, 130906890, 261813780]

約数ペア:

[(1, 261813780), (2, 130906890), (3, 87271260), (4, 65453445), (5, 52362756), (6, 43635630), (9, 29090420), (10, 26181378), (12, 21817815), (15, 17454252), (18, 14545210), (20, 13090689), (30, 8727126), (36, 7272605), (45, 5818084), (60, 4363563), (90, 2909042), (180, 1454521)]