256380840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{712169}}^1$

素因数の和:712186

約数の個数: 48

約数和(自身を含む): 833238900

約数和(自身を除く): 576858060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 712169, 1424338, 2136507, 2848676, 3560845, 4273014, 5697352, 6409521, 7121690, 8546028, 10682535, 12819042, 14243380, 17092056, 21365070, 25638084, 28486760, 32047605, 42730140, 51276168, 64095210, 85460280, 128190420, 256380840]

約数ペア:

[(1, 256380840), (2, 128190420), (3, 85460280), (4, 64095210), (5, 51276168), (6, 42730140), (8, 32047605), (9, 28486760), (10, 25638084), (12, 21365070), (15, 17092056), (18, 14243380), (20, 12819042), (24, 10682535), (30, 8546028), (36, 7121690), (40, 6409521), (45, 5697352), (60, 4273014), (72, 3560845), (90, 2848676), (120, 2136507), (180, 1424338), (360, 712169)]