639228672

素因数分解:

$2^8\times 3^4\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1120

約数の個数: 180

約数和(自身を含む): 1973645520

約数和(自身を除く): 1334416848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 81, 87, 96, 108, 116, 128, 144, 162, 174, 192, 216, 232, 256, 261, 288, 324, 348, 384, 432, 464, 522, 576, 648, 696, 768, 783, 864, 928, 1044, 1063, 1152, 1296, 1392, 1566, 1728, 1856, 2088, 2126, 2304, 2349, 2592, 2784, 3132, 3189, 3456, 3712, 4176, 4252, 4698, 5184, 5568, 6264, 6378, 6912, 7424, 8352, 8504, 9396, 9567, 10368, 11136, 12528, 12756, 16704, 17008, 18792, 19134, 20736, 22272, 25056, 25512, 28701, 30827, 33408, 34016, 37584, 38268, 50112, 51024, 57402, 61654, 66816, 68032, 75168, 76536, 86103, 92481, 100224, 102048, 114804, 123308, 136064, 150336, 153072, 172206, 184962, 200448, 204096, 229608, 246616, 272128, 277443, 300672, 306144, 344412, 369924, 408192, 459216, 493232, 554886, 601344, 612288, 688824, 739848, 816384, 832329, 918432, 986464, 1109772, 1224576, 1377648, 1479696, 1664658, 1836864, 1972928, 2219544, 2449152, 2496987, 2755296, 2959392, 3329316, 3673728, 3945856, 4439088, 4993974, 5510592, 5918784, 6658632, 7347456, 7891712, 8878176, 9987948, 11021184, 11837568, 13317264, 17756352, 19975896, 22042368, 23675136, 26634528, 35512704, 39951792, 53269056, 71025408, 79903584, 106538112, 159807168, 213076224, 319614336, 639228672]

約数ペア:

[(1, 639228672), (2, 319614336), (3, 213076224), (4, 159807168), (6, 106538112), (8, 79903584), (9, 71025408), (12, 53269056), (16, 39951792), (18, 35512704), (24, 26634528), (27, 23675136), (29, 22042368), (32, 19975896), (36, 17756352), (48, 13317264), (54, 11837568), (58, 11021184), (64, 9987948), (72, 8878176), (81, 7891712), (87, 7347456), (96, 6658632), (108, 5918784), (116, 5510592), (128, 4993974), (144, 4439088), (162, 3945856), (174, 3673728), (192, 3329316), (216, 2959392), (232, 2755296), (256, 2496987), (261, 2449152), (288, 2219544), (324, 1972928), (348, 1836864), (384, 1664658), (432, 1479696), (464, 1377648), (522, 1224576), (576, 1109772), (648, 986464), (696, 918432), (768, 832329), (783, 816384), (864, 739848), (928, 688824), (1044, 612288), (1063, 601344), (1152, 554886), (1296, 493232), (1392, 459216), (1566, 408192), (1728, 369924), (1856, 344412), (2088, 306144), (2126, 300672), (2304, 277443), (2349, 272128), (2592, 246616), (2784, 229608), (3132, 204096), (3189, 200448), (3456, 184962), (3712, 172206), (4176, 153072), (4252, 150336), (4698, 136064), (5184, 123308), (5568, 114804), (6264, 102048), (6378, 100224), (6912, 92481), (7424, 86103), (8352, 76536), (8504, 75168), (9396, 68032), (9567, 66816), (10368, 61654), (11136, 57402), (12528, 51024), (12756, 50112), (16704, 38268), (17008, 37584), (18792, 34016), (19134, 33408), (20736, 30827), (22272, 28701), (25056, 25512)]