81495504

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2657}}^1$

素因数の和:2745

約数の個数: 80

約数和(自身を含む): 237306240

約数和(自身を除く): 155810736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 852, 1136, 1278, 1704, 1917, 2556, 2657, 3408, 3834, 5112, 5314, 7668, 7971, 10224, 10628, 15336, 15942, 21256, 23913, 30672, 31884, 42512, 47826, 63768, 71739, 95652, 127536, 143478, 188647, 191304, 286956, 377294, 382608, 565941, 573912, 754588, 1131882, 1147824, 1509176, 1697823, 2263764, 3018352, 3395646, 4527528, 5093469, 6791292, 9055056, 10186938, 13582584, 20373876, 27165168, 40747752, 81495504]

約数ペア:

[(1, 81495504), (2, 40747752), (3, 27165168), (4, 20373876), (6, 13582584), (8, 10186938), (9, 9055056), (12, 6791292), (16, 5093469), (18, 4527528), (24, 3395646), (27, 3018352), (36, 2263764), (48, 1697823), (54, 1509176), (71, 1147824), (72, 1131882), (108, 754588), (142, 573912), (144, 565941), (213, 382608), (216, 377294), (284, 286956), (426, 191304), (432, 188647), (568, 143478), (639, 127536), (852, 95652), (1136, 71739), (1278, 63768), (1704, 47826), (1917, 42512), (2556, 31884), (2657, 30672), (3408, 23913), (3834, 21256), (5112, 15942), (5314, 15336), (7668, 10628), (7971, 10224)]