639864576

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7121}}^1$

素因数の和:7159

約数の個数: 144

約数和(自身を含む): 2038031520

約数和(自身を除く): 1398166944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 256, 288, 312, 351, 384, 416, 432, 468, 576, 624, 702, 768, 832, 864, 936, 1152, 1248, 1404, 1664, 1728, 1872, 2304, 2496, 2808, 3328, 3456, 3744, 4992, 5616, 6912, 7121, 7488, 9984, 11232, 14242, 14976, 21363, 22464, 28484, 29952, 42726, 44928, 56968, 64089, 85452, 89856, 92573, 113936, 128178, 170904, 185146, 192267, 227872, 256356, 277719, 341808, 370292, 384534, 455744, 512712, 555438, 683616, 740584, 769068, 833157, 911488, 1025424, 1110876, 1367232, 1481168, 1538136, 1666314, 1822976, 2050848, 2221752, 2499471, 2734464, 2962336, 3076272, 3332628, 4101696, 4443504, 4998942, 5468928, 5924672, 6152544, 6665256, 8203392, 8887008, 9997884, 11849344, 12305088, 13330512, 16406784, 17774016, 19995768, 23698688, 24610176, 26661024, 35548032, 39991536, 49220352, 53322048, 71096064, 79983072, 106644096, 159966144, 213288192, 319932288, 639864576]

約数ペア:

[(1, 639864576), (2, 319932288), (3, 213288192), (4, 159966144), (6, 106644096), (8, 79983072), (9, 71096064), (12, 53322048), (13, 49220352), (16, 39991536), (18, 35548032), (24, 26661024), (26, 24610176), (27, 23698688), (32, 19995768), (36, 17774016), (39, 16406784), (48, 13330512), (52, 12305088), (54, 11849344), (64, 9997884), (72, 8887008), (78, 8203392), (96, 6665256), (104, 6152544), (108, 5924672), (117, 5468928), (128, 4998942), (144, 4443504), (156, 4101696), (192, 3332628), (208, 3076272), (216, 2962336), (234, 2734464), (256, 2499471), (288, 2221752), (312, 2050848), (351, 1822976), (384, 1666314), (416, 1538136), (432, 1481168), (468, 1367232), (576, 1110876), (624, 1025424), (702, 911488), (768, 833157), (832, 769068), (864, 740584), (936, 683616), (1152, 555438), (1248, 512712), (1404, 455744), (1664, 384534), (1728, 370292), (1872, 341808), (2304, 277719), (2496, 256356), (2808, 227872), (3328, 192267), (3456, 185146), (3744, 170904), (4992, 128178), (5616, 113936), (6912, 92573), (7121, 89856), (7488, 85452), (9984, 64089), (11232, 56968), (14242, 44928), (14976, 42726), (21363, 29952), (22464, 28484)]