204815040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{213349}}^1$

素因数の和:213369

約数の個数: 56

約数和(自身を含む): 650290800

約数和(自身を除く): 445475760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 213349, 426698, 640047, 853396, 1066745, 1280094, 1706792, 2133490, 2560188, 3200235, 3413584, 4266980, 5120376, 6400470, 6827168, 8533960, 10240752, 12800940, 13654336, 17067920, 20481504, 25601880, 34135840, 40963008, 51203760, 68271680, 102407520, 204815040]

約数ペア:

[(1, 204815040), (2, 102407520), (3, 68271680), (4, 51203760), (5, 40963008), (6, 34135840), (8, 25601880), (10, 20481504), (12, 17067920), (15, 13654336), (16, 12800940), (20, 10240752), (24, 8533960), (30, 6827168), (32, 6400470), (40, 5120376), (48, 4266980), (60, 3413584), (64, 3200235), (80, 2560188), (96, 2133490), (120, 1706792), (160, 1280094), (192, 1066745), (240, 853396), (320, 640047), (480, 426698), (960, 213349)]