123671328

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 379554336

約数和(自身を除く): 255883008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 83, 88, 96, 102, 132, 136, 166, 176, 187, 204, 249, 264, 272, 332, 352, 374, 408, 498, 528, 544, 561, 664, 748, 816, 913, 996, 1056, 1122, 1328, 1411, 1496, 1632, 1826, 1992, 2244, 2656, 2739, 2822, 2992, 3652, 3984, 4233, 4488, 5478, 5644, 5984, 6889, 7304, 7968, 8466, 8976, 10956, 11288, 13778, 14608, 15521, 16932, 17952, 20667, 21912, 22576, 27556, 29216, 31042, 33864, 41334, 43824, 45152, 46563, 55112, 62084, 67728, 75779, 82668, 87648, 93126, 110224, 117113, 124168, 135456, 151558, 165336, 186252, 220448, 227337, 234226, 248336, 303116, 330672, 351339, 372504, 454674, 468452, 496672, 606232, 661344, 702678, 745008, 909348, 936904, 1212464, 1288243, 1405356, 1490016, 1818696, 1873808, 2424928, 2576486, 2810712, 3637392, 3747616, 3864729, 5152972, 5621424, 7274784, 7729458, 10305944, 11242848, 15458916, 20611888, 30917832, 41223776, 61835664, 123671328]

約数ペア:

[(1, 123671328), (2, 61835664), (3, 41223776), (4, 30917832), (6, 20611888), (8, 15458916), (11, 11242848), (12, 10305944), (16, 7729458), (17, 7274784), (22, 5621424), (24, 5152972), (32, 3864729), (33, 3747616), (34, 3637392), (44, 2810712), (48, 2576486), (51, 2424928), (66, 1873808), (68, 1818696), (83, 1490016), (88, 1405356), (96, 1288243), (102, 1212464), (132, 936904), (136, 909348), (166, 745008), (176, 702678), (187, 661344), (204, 606232), (249, 496672), (264, 468452), (272, 454674), (332, 372504), (352, 351339), (374, 330672), (408, 303116), (498, 248336), (528, 234226), (544, 227337), (561, 220448), (664, 186252), (748, 165336), (816, 151558), (913, 135456), (996, 124168), (1056, 117113), (1122, 110224), (1328, 93126), (1411, 87648), (1496, 82668), (1632, 75779), (1826, 67728), (1992, 62084), (2244, 55112), (2656, 46563), (2739, 45152), (2822, 43824), (2992, 41334), (3652, 33864), (3984, 31042), (4233, 29216), (4488, 27556), (5478, 22576), (5644, 21912), (5984, 20667), (6889, 17952), (7304, 16932), (7968, 15521), (8466, 14608), (8976, 13778), (10956, 11288)]