81290495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 40637185

約数列:

[1, 5, 11, 13, 41, 47, 55, 59, 65, 143, 205, 235, 295, 451, 517, 533, 611, 649, 715, 767, 1927, 2255, 2419, 2585, 2665, 2773, 3055, 3245, 3835, 5863, 6721, 8437, 9635, 12095, 13865, 21197, 25051, 26609, 29315, 30503, 31447, 33605, 36049, 42185, 105985, 113693, 125255, 133045, 152515, 157235, 180245, 275561, 345917, 396539, 568465, 1250623, 1377805, 1478009, 1729585, 1982695, 6253115, 7390045, 16258099, 81290495]

約数ペア:

[(1, 81290495), (5, 16258099), (11, 7390045), (13, 6253115), (41, 1982695), (47, 1729585), (55, 1478009), (59, 1377805), (65, 1250623), (143, 568465), (205, 396539), (235, 345917), (295, 275561), (451, 180245), (517, 157235), (533, 152515), (611, 133045), (649, 125255), (715, 113693), (767, 105985), (1927, 42185), (2255, 36049), (2419, 33605), (2585, 31447), (2665, 30503), (2773, 29315), (3055, 26609), (3245, 25051), (3835, 21197), (5863, 13865), (6721, 12095), (8437, 9635)]