68409040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 183202560

約数和(自身を除く): 114793520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 809, 1057, 1208, 1510, 1618, 2114, 2416, 3020, 3236, 4045, 4228, 5285, 5663, 6040, 6472, 8090, 8456, 10570, 11326, 12080, 12944, 16180, 16912, 21140, 22652, 28315, 32360, 42280, 45304, 56630, 64720, 84560, 90608, 113260, 122159, 226520, 244318, 453040, 488636, 610795, 855113, 977272, 1221590, 1710226, 1954544, 2443180, 3420452, 4275565, 4886360, 6840904, 8551130, 9772720, 13681808, 17102260, 34204520, 68409040]

約数ペア:

[(1, 68409040), (2, 34204520), (4, 17102260), (5, 13681808), (7, 9772720), (8, 8551130), (10, 6840904), (14, 4886360), (16, 4275565), (20, 3420452), (28, 2443180), (35, 1954544), (40, 1710226), (56, 1221590), (70, 977272), (80, 855113), (112, 610795), (140, 488636), (151, 453040), (280, 244318), (302, 226520), (560, 122159), (604, 113260), (755, 90608), (809, 84560), (1057, 64720), (1208, 56630), (1510, 45304), (1618, 42280), (2114, 32360), (2416, 28315), (3020, 22652), (3236, 21140), (4045, 16912), (4228, 16180), (5285, 12944), (5663, 12080), (6040, 11326), (6472, 10570), (8090, 8456)]