68347520

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 164413800

約数和(自身を除く): 96066280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 397, 538, 640, 794, 1076, 1345, 1588, 1985, 2152, 2690, 3176, 3970, 4304, 5380, 6352, 7940, 8608, 10760, 12704, 15880, 17216, 21520, 25408, 31760, 34432, 43040, 50816, 63520, 86080, 106793, 127040, 172160, 213586, 254080, 427172, 533965, 854344, 1067930, 1708688, 2135860, 3417376, 4271720, 6834752, 8543440, 13669504, 17086880, 34173760, 68347520]

約数ペア:

[(1, 68347520), (2, 34173760), (4, 17086880), (5, 13669504), (8, 8543440), (10, 6834752), (16, 4271720), (20, 3417376), (32, 2135860), (40, 1708688), (64, 1067930), (80, 854344), (128, 533965), (160, 427172), (269, 254080), (320, 213586), (397, 172160), (538, 127040), (640, 106793), (794, 86080), (1076, 63520), (1345, 50816), (1588, 43040), (1985, 34432), (2152, 31760), (2690, 25408), (3176, 21520), (3970, 17216), (4304, 15880), (5380, 12704), (6352, 10760), (7940, 8608)]