81011568

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 231628032

約数和(自身を除く): 150616464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 71, 88, 132, 142, 176, 213, 264, 284, 426, 528, 568, 781, 852, 1136, 1562, 1704, 2161, 2343, 3124, 3408, 4322, 4686, 6248, 6483, 8644, 9372, 12496, 12966, 17288, 18744, 23771, 25932, 34576, 37488, 47542, 51864, 71313, 95084, 103728, 142626, 153431, 190168, 285252, 306862, 380336, 460293, 570504, 613724, 920586, 1141008, 1227448, 1687741, 1841172, 2454896, 3375482, 3682344, 5063223, 6750964, 7364688, 10126446, 13501928, 20252892, 27003856, 40505784, 81011568]

約数ペア:

[(1, 81011568), (2, 40505784), (3, 27003856), (4, 20252892), (6, 13501928), (8, 10126446), (11, 7364688), (12, 6750964), (16, 5063223), (22, 3682344), (24, 3375482), (33, 2454896), (44, 1841172), (48, 1687741), (66, 1227448), (71, 1141008), (88, 920586), (132, 613724), (142, 570504), (176, 460293), (213, 380336), (264, 306862), (284, 285252), (426, 190168), (528, 153431), (568, 142626), (781, 103728), (852, 95084), (1136, 71313), (1562, 51864), (1704, 47542), (2161, 37488), (2343, 34576), (3124, 25932), (3408, 23771), (4322, 18744), (4686, 17288), (6248, 12966), (6483, 12496), (8644, 9372)]