68779188

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 179667488

約数和(自身を除く): 110888300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 157, 172, 258, 283, 314, 387, 471, 516, 566, 628, 774, 849, 942, 1132, 1413, 1548, 1698, 1884, 2547, 2826, 3396, 5094, 5652, 6751, 10188, 12169, 13502, 20253, 24338, 27004, 36507, 40506, 44431, 48676, 60759, 73014, 81012, 88862, 109521, 121518, 133293, 146028, 177724, 219042, 243036, 266586, 399879, 438084, 533172, 799758, 1599516, 1910533, 3821066, 5731599, 7642132, 11463198, 17194797, 22926396, 34389594, 68779188]

約数ペア:

[(1, 68779188), (2, 34389594), (3, 22926396), (4, 17194797), (6, 11463198), (9, 7642132), (12, 5731599), (18, 3821066), (36, 1910533), (43, 1599516), (86, 799758), (129, 533172), (157, 438084), (172, 399879), (258, 266586), (283, 243036), (314, 219042), (387, 177724), (471, 146028), (516, 133293), (566, 121518), (628, 109521), (774, 88862), (849, 81012), (942, 73014), (1132, 60759), (1413, 48676), (1548, 44431), (1698, 40506), (1884, 36507), (2547, 27004), (2826, 24338), (3396, 20253), (5094, 13502), (5652, 12169), (6751, 10188)]