261123984

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{467}}^1$

素因数の和:845

約数の個数: 120

約数和(自身を含む): 801189792

約数和(自身を除く): 540065808

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 353, 396, 467, 528, 706, 792, 934, 1059, 1401, 1412, 1584, 1868, 2118, 2802, 2824, 3177, 3736, 3883, 4203, 4236, 5137, 5604, 5648, 6354, 7472, 7766, 8406, 8472, 10274, 11208, 11649, 12708, 15411, 15532, 16812, 16944, 20548, 22416, 23298, 25416, 30822, 31064, 33624, 34947, 41096, 46233, 46596, 50832, 61644, 62128, 67248, 69894, 82192, 92466, 93192, 123288, 139788, 164851, 184932, 186384, 246576, 279576, 329702, 369864, 494553, 559152, 659404, 739728, 989106, 1318808, 1483659, 1813361, 1978212, 2637616, 2967318, 3626722, 3956424, 5440083, 5934636, 7253444, 7912848, 10880166, 11869272, 14506888, 16320249, 21760332, 23738544, 29013776, 32640498, 43520664, 65280996, 87041328, 130561992, 261123984]

約数ペア:

[(1, 261123984), (2, 130561992), (3, 87041328), (4, 65280996), (6, 43520664), (8, 32640498), (9, 29013776), (11, 23738544), (12, 21760332), (16, 16320249), (18, 14506888), (22, 11869272), (24, 10880166), (33, 7912848), (36, 7253444), (44, 5934636), (48, 5440083), (66, 3956424), (72, 3626722), (88, 2967318), (99, 2637616), (132, 1978212), (144, 1813361), (176, 1483659), (198, 1318808), (264, 989106), (353, 739728), (396, 659404), (467, 559152), (528, 494553), (706, 369864), (792, 329702), (934, 279576), (1059, 246576), (1401, 186384), (1412, 184932), (1584, 164851), (1868, 139788), (2118, 123288), (2802, 93192), (2824, 92466), (3177, 82192), (3736, 69894), (3883, 67248), (4203, 62128), (4236, 61644), (5137, 50832), (5604, 46596), (5648, 46233), (6354, 41096), (7472, 34947), (7766, 33624), (8406, 31064), (8472, 30822), (10274, 25416), (11208, 23298), (11649, 22416), (12708, 20548), (15411, 16944), (15532, 16812)]