78670188

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 207043200

約数和(自身を除く): 128373012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 186, 279, 314, 372, 449, 471, 558, 628, 898, 942, 1116, 1347, 1413, 1796, 1884, 2694, 2826, 4041, 4867, 5388, 5652, 8082, 9734, 13919, 14601, 16164, 19468, 27838, 29202, 41757, 43803, 55676, 58404, 70493, 83514, 87606, 125271, 140986, 167028, 175212, 211479, 250542, 281972, 422958, 501084, 634437, 845916, 1268874, 2185283, 2537748, 4370566, 6555849, 8741132, 13111698, 19667547, 26223396, 39335094, 78670188]

約数ペア:

[(1, 78670188), (2, 39335094), (3, 26223396), (4, 19667547), (6, 13111698), (9, 8741132), (12, 6555849), (18, 4370566), (31, 2537748), (36, 2185283), (62, 1268874), (93, 845916), (124, 634437), (157, 501084), (186, 422958), (279, 281972), (314, 250542), (372, 211479), (449, 175212), (471, 167028), (558, 140986), (628, 125271), (898, 87606), (942, 83514), (1116, 70493), (1347, 58404), (1413, 55676), (1796, 43803), (1884, 41757), (2694, 29202), (2826, 27838), (4041, 19468), (4867, 16164), (5388, 14601), (5652, 13919), (8082, 9734)]