639328896

素因数分解:

$2^7\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6379}}^1$

素因数の和:6431

約数の個数: 128

約数和(自身を含む): 1952280000

約数和(自身を除く): 1312951104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 128, 144, 174, 192, 216, 232, 261, 288, 348, 384, 432, 464, 522, 576, 696, 783, 864, 928, 1044, 1152, 1392, 1566, 1728, 1856, 2088, 2784, 3132, 3456, 3712, 4176, 5568, 6264, 6379, 8352, 11136, 12528, 12758, 16704, 19137, 25056, 25516, 33408, 38274, 50112, 51032, 57411, 76548, 100224, 102064, 114822, 153096, 172233, 184991, 204128, 229644, 306192, 344466, 369982, 408256, 459288, 554973, 612384, 688932, 739964, 816512, 918576, 1109946, 1224768, 1377864, 1479928, 1664919, 1837152, 2219892, 2449536, 2755728, 2959856, 3329838, 3674304, 4439784, 4994757, 5511456, 5919712, 6659676, 7348608, 8879568, 9989514, 11022912, 11839424, 13319352, 17759136, 19979028, 22045824, 23678848, 26638704, 35518272, 39958056, 53277408, 71036544, 79916112, 106554816, 159832224, 213109632, 319664448, 639328896]

約数ペア:

[(1, 639328896), (2, 319664448), (3, 213109632), (4, 159832224), (6, 106554816), (8, 79916112), (9, 71036544), (12, 53277408), (16, 39958056), (18, 35518272), (24, 26638704), (27, 23678848), (29, 22045824), (32, 19979028), (36, 17759136), (48, 13319352), (54, 11839424), (58, 11022912), (64, 9989514), (72, 8879568), (87, 7348608), (96, 6659676), (108, 5919712), (116, 5511456), (128, 4994757), (144, 4439784), (174, 3674304), (192, 3329838), (216, 2959856), (232, 2755728), (261, 2449536), (288, 2219892), (348, 1837152), (384, 1664919), (432, 1479928), (464, 1377864), (522, 1224768), (576, 1109946), (696, 918576), (783, 816512), (864, 739964), (928, 688932), (1044, 612384), (1152, 554973), (1392, 459288), (1566, 408256), (1728, 369982), (1856, 344466), (2088, 306192), (2784, 229644), (3132, 204128), (3456, 184991), (3712, 172233), (4176, 153096), (5568, 114822), (6264, 102064), (6379, 100224), (8352, 76548), (11136, 57411), (12528, 51032), (12758, 50112), (16704, 38274), (19137, 33408), (25056, 25516)]