205812240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{857551}}^1$

素因数の和:857567

約数の個数: 40

約数和(自身を含む): 638018688

約数和(自身を除く): 432206448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 857551, 1715102, 2572653, 3430204, 4287755, 5145306, 6860408, 8575510, 10290612, 12863265, 13720816, 17151020, 20581224, 25726530, 34302040, 41162448, 51453060, 68604080, 102906120, 205812240]

約数ペア:

[(1, 205812240), (2, 102906120), (3, 68604080), (4, 51453060), (5, 41162448), (6, 34302040), (8, 25726530), (10, 20581224), (12, 17151020), (15, 13720816), (16, 12863265), (20, 10290612), (24, 8575510), (30, 6860408), (40, 5145306), (48, 4287755), (60, 3430204), (80, 2572653), (120, 1715102), (240, 857551)]