31917160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 83553120

約数和(自身を除く): 51635960

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, 251, 289, 340, 374, 440, 502, 578, 680, 748, 935, 1004, 1156, 1255, 1445, 1496, 1870, 2008, 2312, 2510, 2761, 2890, 3179, 3740, 4267, 5020, 5522, 5780, 6358, 7480, 8534, 10040, 11044, 11560, 12716, 13805, 15895, 17068, 21335, 22088, 25432, 27610, 31790, 34136, 42670, 46937, 55220, 63580, 72539, 85340, 93874, 110440, 127160, 145078, 170680, 187748, 234685, 290156, 362695, 375496, 469370, 580312, 725390, 797929, 938740, 1450780, 1595858, 1877480, 2901560, 3191716, 3989645, 6383432, 7979290, 15958580, 31917160]

約数ペア:

[(1, 31917160), (2, 15958580), (4, 7979290), (5, 6383432), (8, 3989645), (10, 3191716), (11, 2901560), (17, 1877480), (20, 1595858), (22, 1450780), (34, 938740), (40, 797929), (44, 725390), (55, 580312), (68, 469370), (85, 375496), (88, 362695), (110, 290156), (136, 234685), (170, 187748), (187, 170680), (220, 145078), (251, 127160), (289, 110440), (340, 93874), (374, 85340), (440, 72539), (502, 63580), (578, 55220), (680, 46937), (748, 42670), (935, 34136), (1004, 31790), (1156, 27610), (1255, 25432), (1445, 22088), (1496, 21335), (1870, 17068), (2008, 15895), (2312, 13805), (2510, 12716), (2761, 11560), (2890, 11044), (3179, 10040), (3740, 8534), (4267, 7480), (5020, 6358), (5522, 5780)]