68739040

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1231}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 162993600

約数和(自身を除く): 94254560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1231, 1396, 1745, 2462, 2792, 3490, 4924, 5584, 6155, 6980, 9848, 11168, 12310, 13960, 19696, 24620, 27920, 39392, 49240, 55840, 98480, 196960, 429619, 859238, 1718476, 2148095, 3436952, 4296190, 6873904, 8592380, 13747808, 17184760, 34369520, 68739040]

約数ペア:

[(1, 68739040), (2, 34369520), (4, 17184760), (5, 13747808), (8, 8592380), (10, 6873904), (16, 4296190), (20, 3436952), (32, 2148095), (40, 1718476), (80, 859238), (160, 429619), (349, 196960), (698, 98480), (1231, 55840), (1396, 49240), (1745, 39392), (2462, 27920), (2792, 24620), (3490, 19696), (4924, 13960), (5584, 12310), (6155, 11168), (6980, 9848)]