639225216

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{26423}}^1$

素因数の和:26453

約数の個数: 128

約数和(自身を含む): 2156198400

約数和(自身を除く): 1516973184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 864, 896, 1008, 1152, 1344, 1512, 1728, 2016, 2688, 3024, 3456, 4032, 6048, 8064, 12096, 24192, 26423, 52846, 79269, 105692, 158538, 184961, 211384, 237807, 317076, 369922, 422768, 475614, 554883, 634152, 713421, 739844, 845536, 951228, 1109766, 1268304, 1426842, 1479688, 1664649, 1691072, 1902456, 2219532, 2536608, 2853684, 2959376, 3329298, 3382144, 3804912, 4439064, 4993947, 5073216, 5707368, 5918752, 6658596, 7609824, 8878128, 9987894, 10146432, 11414736, 11837504, 13317192, 15219648, 17756256, 19975788, 22829472, 23675008, 26634384, 30439296, 35512512, 39951576, 45658944, 53268768, 71025024, 79903152, 91317888, 106537536, 159806304, 213075072, 319612608, 639225216]

約数ペア:

[(1, 639225216), (2, 319612608), (3, 213075072), (4, 159806304), (6, 106537536), (7, 91317888), (8, 79903152), (9, 71025024), (12, 53268768), (14, 45658944), (16, 39951576), (18, 35512512), (21, 30439296), (24, 26634384), (27, 23675008), (28, 22829472), (32, 19975788), (36, 17756256), (42, 15219648), (48, 13317192), (54, 11837504), (56, 11414736), (63, 10146432), (64, 9987894), (72, 8878128), (84, 7609824), (96, 6658596), (108, 5918752), (112, 5707368), (126, 5073216), (128, 4993947), (144, 4439064), (168, 3804912), (189, 3382144), (192, 3329298), (216, 2959376), (224, 2853684), (252, 2536608), (288, 2219532), (336, 1902456), (378, 1691072), (384, 1664649), (432, 1479688), (448, 1426842), (504, 1268304), (576, 1109766), (672, 951228), (756, 845536), (864, 739844), (896, 713421), (1008, 634152), (1152, 554883), (1344, 475614), (1512, 422768), (1728, 369922), (2016, 317076), (2688, 237807), (3024, 211384), (3456, 184961), (4032, 158538), (6048, 105692), (8064, 79269), (12096, 52846), (24192, 26423)]