71815480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9601}}^1$

素因数の和:9640

約数の個数: 64

約数和(自身を含む): 186662880

約数和(自身を除く): 114847400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 9601, 19202, 38404, 48005, 76808, 96010, 105611, 163217, 192020, 211222, 326434, 384040, 422444, 528055, 652868, 816085, 844888, 1056110, 1305736, 1632170, 1795387, 2112220, 3264340, 3590774, 4224440, 6528680, 7181548, 8976935, 14363096, 17953870, 35907740, 71815480]

約数ペア:

[(1, 71815480), (2, 35907740), (4, 17953870), (5, 14363096), (8, 8976935), (10, 7181548), (11, 6528680), (17, 4224440), (20, 3590774), (22, 3264340), (34, 2112220), (40, 1795387), (44, 1632170), (55, 1305736), (68, 1056110), (85, 844888), (88, 816085), (110, 652868), (136, 528055), (170, 422444), (187, 384040), (220, 326434), (340, 211222), (374, 192020), (440, 163217), (680, 105611), (748, 96010), (935, 76808), (1496, 48005), (1870, 38404), (3740, 19202), (7480, 9601)]