68648140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 166909680

約数和(自身を除く): 98261540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1493, 2090, 2299, 2420, 2986, 4180, 4598, 5972, 7465, 9196, 11495, 14930, 16423, 22990, 28367, 29860, 32846, 45980, 56734, 65692, 82115, 113468, 141835, 164230, 180653, 283670, 312037, 328460, 361306, 567340, 624074, 722612, 903265, 1248148, 1560185, 1806530, 3120370, 3432407, 3613060, 6240740, 6864814, 13729628, 17162035, 34324070, 68648140]

約数ペア:

[(1, 68648140), (2, 34324070), (4, 17162035), (5, 13729628), (10, 6864814), (11, 6240740), (19, 3613060), (20, 3432407), (22, 3120370), (38, 1806530), (44, 1560185), (55, 1248148), (76, 903265), (95, 722612), (110, 624074), (121, 567340), (190, 361306), (209, 328460), (220, 312037), (242, 283670), (380, 180653), (418, 164230), (484, 141835), (605, 113468), (836, 82115), (1045, 65692), (1210, 56734), (1493, 45980), (2090, 32846), (2299, 29860), (2420, 28367), (2986, 22990), (4180, 16423), (4598, 14930), (5972, 11495), (7465, 9196)]