261420432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 160

約数和(自身を含む): 841112832

約数和(自身を除く): 579692400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 97, 104, 112, 156, 168, 182, 194, 208, 273, 291, 312, 336, 364, 388, 546, 582, 617, 624, 679, 728, 776, 1092, 1164, 1234, 1261, 1358, 1456, 1552, 1851, 2037, 2184, 2328, 2468, 2522, 2716, 3702, 3783, 4074, 4319, 4368, 4656, 4936, 5044, 5432, 7404, 7566, 8021, 8148, 8638, 8827, 9872, 10088, 10864, 12957, 14808, 15132, 16042, 16296, 17276, 17654, 20176, 24063, 25914, 26481, 29616, 30264, 32084, 32592, 34552, 35308, 48126, 51828, 52962, 56147, 59849, 60528, 64168, 69104, 70616, 96252, 103656, 105924, 112294, 119698, 128336, 141232, 168441, 179547, 192504, 207312, 211848, 224588, 239396, 336882, 359094, 385008, 418943, 423696, 449176, 478792, 673764, 718188, 778037, 837886, 898352, 957584, 1256829, 1347528, 1436376, 1556074, 1675772, 2334111, 2513658, 2695056, 2872752, 3112148, 3351544, 4668222, 5027316, 5446259, 6224296, 6703088, 9336444, 10054632, 10892518, 12448592, 16338777, 18672888, 20109264, 21785036, 32677554, 37345776, 43570072, 65355108, 87140144, 130710216, 261420432]

約数ペア:

[(1, 261420432), (2, 130710216), (3, 87140144), (4, 65355108), (6, 43570072), (7, 37345776), (8, 32677554), (12, 21785036), (13, 20109264), (14, 18672888), (16, 16338777), (21, 12448592), (24, 10892518), (26, 10054632), (28, 9336444), (39, 6703088), (42, 6224296), (48, 5446259), (52, 5027316), (56, 4668222), (78, 3351544), (84, 3112148), (91, 2872752), (97, 2695056), (104, 2513658), (112, 2334111), (156, 1675772), (168, 1556074), (182, 1436376), (194, 1347528), (208, 1256829), (273, 957584), (291, 898352), (312, 837886), (336, 778037), (364, 718188), (388, 673764), (546, 478792), (582, 449176), (617, 423696), (624, 418943), (679, 385008), (728, 359094), (776, 336882), (1092, 239396), (1164, 224588), (1234, 211848), (1261, 207312), (1358, 192504), (1456, 179547), (1552, 168441), (1851, 141232), (2037, 128336), (2184, 119698), (2328, 112294), (2468, 105924), (2522, 103656), (2716, 96252), (3702, 70616), (3783, 69104), (4074, 64168), (4319, 60528), (4368, 59849), (4656, 56147), (4936, 52962), (5044, 51828), (5432, 48126), (7404, 35308), (7566, 34552), (8021, 32592), (8148, 32084), (8638, 30264), (8827, 29616), (9872, 26481), (10088, 25914), (10864, 24063), (12957, 20176), (14808, 17654), (15132, 17276), (16042, 16296)]