820512856782

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{123001}}^1$

素因数の和:123207

約数の個数: 128

約数和(自身を含む): 1963938493440

約数和(自身を除く): 1143425636658

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 131, 138, 207, 246, 262, 369, 393, 414, 621, 738, 786, 943, 1107, 1179, 1242, 1886, 2214, 2358, 2829, 3013, 3537, 5371, 5658, 6026, 7074, 8487, 9039, 10742, 16113, 16974, 18078, 25461, 27117, 32226, 48339, 50922, 54234, 81351, 96678, 123001, 123533, 145017, 162702, 246002, 247066, 290034, 369003, 370599, 738006, 741198, 1107009, 1111797, 2214018, 2223594, 2829023, 3321027, 3335391, 5043041, 5658046, 6642054, 6670782, 8487069, 10086082, 15129123, 16113131, 16974138, 25461207, 30258246, 32226262, 45387369, 48339393, 50922414, 76383621, 90774738, 96678786, 115989943, 136162107, 145018179, 152767242, 231979886, 272324214, 290036358, 347969829, 370602013, 435054537, 660638371, 695939658, 741204026, 870109074, 1043909487, 1111806039, 1321276742, 1981915113, 2087818974, 2223612078, 3131728461, 3335418117, 3963830226, 5945745339, 6263456922, 6670836234, 10006254351, 11891490678, 15194682533, 17837236017, 20012508702, 30389365066, 35674472034, 45584047599, 91168095198, 136752142797, 273504285594, 410256428391, 820512856782]

約数ペア:

[(1, 820512856782), (2, 410256428391), (3, 273504285594), (6, 136752142797), (9, 91168095198), (18, 45584047599), (23, 35674472034), (27, 30389365066), (41, 20012508702), (46, 17837236017), (54, 15194682533), (69, 11891490678), (82, 10006254351), (123, 6670836234), (131, 6263456922), (138, 5945745339), (207, 3963830226), (246, 3335418117), (262, 3131728461), (369, 2223612078), (393, 2087818974), (414, 1981915113), (621, 1321276742), (738, 1111806039), (786, 1043909487), (943, 870109074), (1107, 741204026), (1179, 695939658), (1242, 660638371), (1886, 435054537), (2214, 370602013), (2358, 347969829), (2829, 290036358), (3013, 272324214), (3537, 231979886), (5371, 152767242), (5658, 145018179), (6026, 136162107), (7074, 115989943), (8487, 96678786), (9039, 90774738), (10742, 76383621), (16113, 50922414), (16974, 48339393), (18078, 45387369), (25461, 32226262), (27117, 30258246), (32226, 25461207), (48339, 16974138), (50922, 16113131), (54234, 15129123), (81351, 10086082), (96678, 8487069), (123001, 6670782), (123533, 6642054), (145017, 5658046), (162702, 5043041), (246002, 3335391), (247066, 3321027), (290034, 2829023), (369003, 2223594), (370599, 2214018), (738006, 1111797), (741198, 1107009)]