72156568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 157852800

約数和(自身を除く): 85696232

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 139, 187, 278, 347, 374, 556, 694, 748, 1112, 1388, 1496, 1529, 2363, 2776, 3058, 3817, 4726, 5899, 6116, 7634, 9452, 11798, 12232, 15268, 18904, 23596, 25993, 30536, 47192, 48233, 51986, 64889, 96466, 103972, 129778, 192932, 207944, 259556, 385864, 519112, 530563, 819961, 1061126, 1639922, 2122252, 3279844, 4244504, 6559688, 9019571, 18039142, 36078284, 72156568]

約数ペア:

[(1, 72156568), (2, 36078284), (4, 18039142), (8, 9019571), (11, 6559688), (17, 4244504), (22, 3279844), (34, 2122252), (44, 1639922), (68, 1061126), (88, 819961), (136, 530563), (139, 519112), (187, 385864), (278, 259556), (347, 207944), (374, 192932), (556, 129778), (694, 103972), (748, 96466), (1112, 64889), (1388, 51986), (1496, 48233), (1529, 47192), (2363, 30536), (2776, 25993), (3058, 23596), (3817, 18904), (4726, 15268), (5899, 12232), (6116, 11798), (7634, 9452)]