644751072

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{319817}}^1$

素因数の和:319840

約数の個数: 72

約数和(自身を含む): 2095447536

約数和(自身を除く): 1450696464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 319817, 639634, 959451, 1279268, 1918902, 2238719, 2558536, 2878353, 3837804, 4477438, 5117072, 5756706, 6716157, 7675608, 8954876, 10234144, 11513412, 13432314, 15351216, 17909752, 20148471, 23026824, 26864628, 30702432, 35819504, 40296942, 46053648, 53729256, 71639008, 80593884, 92107296, 107458512, 161187768, 214917024, 322375536, 644751072]

約数ペア:

[(1, 644751072), (2, 322375536), (3, 214917024), (4, 161187768), (6, 107458512), (7, 92107296), (8, 80593884), (9, 71639008), (12, 53729256), (14, 46053648), (16, 40296942), (18, 35819504), (21, 30702432), (24, 26864628), (28, 23026824), (32, 20148471), (36, 17909752), (42, 15351216), (48, 13432314), (56, 11513412), (63, 10234144), (72, 8954876), (84, 7675608), (96, 6716157), (112, 5756706), (126, 5117072), (144, 4477438), (168, 3837804), (224, 2878353), (252, 2558536), (288, 2238719), (336, 1918902), (504, 1279268), (672, 959451), (1008, 639634), (2016, 319817)]