81320724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 220245480

約数和(自身を除く): 138924756

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 534, 612, 801, 1068, 1493, 1513, 1602, 2986, 3026, 3204, 4479, 4539, 5972, 6052, 8958, 9078, 13437, 13617, 17916, 18156, 25381, 26874, 27234, 50762, 53748, 54468, 76143, 101524, 132877, 152286, 228429, 265754, 304572, 398631, 456858, 531508, 797262, 913716, 1195893, 1594524, 2258909, 2391786, 4517818, 4783572, 6776727, 9035636, 13553454, 20330181, 27106908, 40660362, 81320724]

約数ペア:

[(1, 81320724), (2, 40660362), (3, 27106908), (4, 20330181), (6, 13553454), (9, 9035636), (12, 6776727), (17, 4783572), (18, 4517818), (34, 2391786), (36, 2258909), (51, 1594524), (68, 1195893), (89, 913716), (102, 797262), (153, 531508), (178, 456858), (204, 398631), (267, 304572), (306, 265754), (356, 228429), (534, 152286), (612, 132877), (801, 101524), (1068, 76143), (1493, 54468), (1513, 53748), (1602, 50762), (2986, 27234), (3026, 26874), (3204, 25381), (4479, 18156), (4539, 17916), (5972, 13617), (6052, 13437), (8958, 9078)]