80807188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 199487232

約数和(自身を除く): 118680044

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 61, 68, 77, 92, 119, 121, 122, 154, 161, 187, 238, 242, 244, 253, 308, 322, 374, 391, 427, 476, 484, 506, 644, 671, 748, 782, 847, 854, 1012, 1037, 1309, 1342, 1403, 1564, 1694, 1708, 1771, 2057, 2074, 2618, 2684, 2737, 2783, 2806, 3388, 3542, 4114, 4148, 4301, 4697, 5236, 5474, 5566, 5612, 7084, 7259, 7381, 8228, 8602, 9394, 9821, 10948, 11132, 11407, 14399, 14518, 14762, 15433, 17204, 18788, 19481, 19642, 22814, 23851, 28798, 29036, 29524, 30107, 30866, 38962, 39284, 45628, 47311, 47702, 51667, 57596, 60214, 61732, 77924, 79849, 94622, 95404, 103334, 108031, 120428, 125477, 159698, 166957, 169763, 189244, 206668, 216062, 250954, 262361, 319396, 331177, 333914, 339526, 432124, 501908, 524722, 662354, 667828, 679052, 878339, 1049444, 1188341, 1324708, 1756678, 1836527, 2376682, 2885971, 3513356, 3673054, 4753364, 5771942, 7346108, 11543884, 20201797, 40403594, 80807188]

約数ペア:

[(1, 80807188), (2, 40403594), (4, 20201797), (7, 11543884), (11, 7346108), (14, 5771942), (17, 4753364), (22, 3673054), (23, 3513356), (28, 2885971), (34, 2376682), (44, 1836527), (46, 1756678), (61, 1324708), (68, 1188341), (77, 1049444), (92, 878339), (119, 679052), (121, 667828), (122, 662354), (154, 524722), (161, 501908), (187, 432124), (238, 339526), (242, 333914), (244, 331177), (253, 319396), (308, 262361), (322, 250954), (374, 216062), (391, 206668), (427, 189244), (476, 169763), (484, 166957), (506, 159698), (644, 125477), (671, 120428), (748, 108031), (782, 103334), (847, 95404), (854, 94622), (1012, 79849), (1037, 77924), (1309, 61732), (1342, 60214), (1403, 57596), (1564, 51667), (1694, 47702), (1708, 47311), (1771, 45628), (2057, 39284), (2074, 38962), (2618, 30866), (2684, 30107), (2737, 29524), (2783, 29036), (2806, 28798), (3388, 23851), (3542, 22814), (4114, 19642), (4148, 19481), (4301, 18788), (4697, 17204), (5236, 15433), (5474, 14762), (5566, 14518), (5612, 14399), (7084, 11407), (7259, 11132), (7381, 10948), (8228, 9821), (8602, 9394)]