257167980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{476237}}^1$

素因数の和:476255

約数の個数: 48

約数和(自身を含む): 800079840

約数和(自身を除く): 542911860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 476237, 952474, 1428711, 1904948, 2381185, 2857422, 4286133, 4762370, 5714844, 7143555, 8572266, 9524740, 12858399, 14287110, 17144532, 21430665, 25716798, 28574220, 42861330, 51433596, 64291995, 85722660, 128583990, 257167980]

約数ペア:

[(1, 257167980), (2, 128583990), (3, 85722660), (4, 64291995), (5, 51433596), (6, 42861330), (9, 28574220), (10, 25716798), (12, 21430665), (15, 17144532), (18, 14287110), (20, 12858399), (27, 9524740), (30, 8572266), (36, 7143555), (45, 5714844), (54, 4762370), (60, 4286133), (90, 2857422), (108, 2381185), (135, 1904948), (180, 1428711), (270, 952474), (540, 476237)]