256417020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1424539}}^1$

素因数の和:1424554

約数の個数: 36

約数和(自身を含む): 777798840

約数和(自身を除く): 521381820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1424539, 2849078, 4273617, 5698156, 7122695, 8547234, 12820851, 14245390, 17094468, 21368085, 25641702, 28490780, 42736170, 51283404, 64104255, 85472340, 128208510, 256417020]

約数ペア:

[(1, 256417020), (2, 128208510), (3, 85472340), (4, 64104255), (5, 51283404), (6, 42736170), (9, 28490780), (10, 25641702), (12, 21368085), (15, 17094468), (18, 14245390), (20, 12820851), (30, 8547234), (36, 7122695), (45, 5698156), (60, 4273617), (90, 2849078), (180, 1424539)]