80721272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 169267200

約数和(自身を除く): 88545928

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 124, 148, 152, 248, 296, 463, 589, 703, 926, 1147, 1178, 1406, 1852, 2294, 2356, 2812, 3704, 4588, 4712, 5624, 8797, 9176, 14353, 17131, 17594, 21793, 28706, 34262, 35188, 43586, 57412, 68524, 70376, 87172, 114824, 137048, 174344, 272707, 325489, 531061, 545414, 650978, 1062122, 1090828, 1301956, 2124244, 2181656, 2603912, 4248488, 10090159, 20180318, 40360636, 80721272]

約数ペア:

[(1, 80721272), (2, 40360636), (4, 20180318), (8, 10090159), (19, 4248488), (31, 2603912), (37, 2181656), (38, 2124244), (62, 1301956), (74, 1090828), (76, 1062122), (124, 650978), (148, 545414), (152, 531061), (248, 325489), (296, 272707), (463, 174344), (589, 137048), (703, 114824), (926, 87172), (1147, 70376), (1178, 68524), (1406, 57412), (1852, 43586), (2294, 35188), (2356, 34262), (2812, 28706), (3704, 21793), (4588, 17594), (4712, 17131), (5624, 14353), (8797, 9176)]