205966260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381419}}^1$

素因数の和:381437

約数の個数: 48

約数和(自身を含む): 640785600

約数和(自身を除く): 434819340

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, 381419, 762838, 1144257, 1525676, 1907095, 2288514, 3432771, 3814190, 4577028, 5721285, 6865542, 7628380, 10298313, 11442570, 13731084, 17163855, 20596626, 22885140, 34327710, 41193252, 51491565, 68655420, 102983130, 205966260]

約数ペア:

[(1, 205966260), (2, 102983130), (3, 68655420), (4, 51491565), (5, 41193252), (6, 34327710), (9, 22885140), (10, 20596626), (12, 17163855), (15, 13731084), (18, 11442570), (20, 10298313), (27, 7628380), (30, 6865542), (36, 5721285), (45, 4577028), (54, 3814190), (60, 3432771), (90, 2288514), (108, 1907095), (135, 1525676), (180, 1144257), (270, 762838), (540, 381419)]