68735360

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 165423600

約数和(自身を除く): 96688240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 509, 640, 844, 1018, 1055, 1688, 2036, 2110, 2545, 3376, 4072, 4220, 5090, 6752, 8144, 8440, 10180, 13504, 16288, 16880, 20360, 27008, 32576, 33760, 40720, 65152, 67520, 81440, 107399, 135040, 162880, 214798, 325760, 429596, 536995, 859192, 1073990, 1718384, 2147980, 3436768, 4295960, 6873536, 8591920, 13747072, 17183840, 34367680, 68735360]

約数ペア:

[(1, 68735360), (2, 34367680), (4, 17183840), (5, 13747072), (8, 8591920), (10, 6873536), (16, 4295960), (20, 3436768), (32, 2147980), (40, 1718384), (64, 1073990), (80, 859192), (128, 536995), (160, 429596), (211, 325760), (320, 214798), (422, 162880), (509, 135040), (640, 107399), (844, 81440), (1018, 67520), (1055, 65152), (1688, 40720), (2036, 33760), (2110, 32576), (2545, 27008), (3376, 20360), (4072, 16880), (4220, 16288), (5090, 13504), (6752, 10180), (8144, 8440)]