1668920320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4591}}^1$

素因数の和:4687

約数の個数: 88

約数和(自身を含む): 4060723968

約数和(自身を除く): 2391803648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1024, 1136, 1280, 1420, 2272, 2560, 2840, 4544, 4591, 5120, 5680, 9088, 9182, 11360, 18176, 18364, 22720, 22955, 36352, 36728, 45440, 45910, 72704, 73456, 90880, 91820, 146912, 181760, 183640, 293824, 325961, 363520, 367280, 587648, 651922, 734560, 1175296, 1303844, 1469120, 1629805, 2350592, 2607688, 2938240, 3259610, 4701184, 5215376, 5876480, 6519220, 10430752, 11752960, 13038440, 20861504, 23505920, 26076880, 41723008, 52153760, 83446016, 104307520, 166892032, 208615040, 333784064, 417230080, 834460160, 1668920320]

約数ペア:

[(1, 1668920320), (2, 834460160), (4, 417230080), (5, 333784064), (8, 208615040), (10, 166892032), (16, 104307520), (20, 83446016), (32, 52153760), (40, 41723008), (64, 26076880), (71, 23505920), (80, 20861504), (128, 13038440), (142, 11752960), (160, 10430752), (256, 6519220), (284, 5876480), (320, 5215376), (355, 4701184), (512, 3259610), (568, 2938240), (640, 2607688), (710, 2350592), (1024, 1629805), (1136, 1469120), (1280, 1303844), (1420, 1175296), (2272, 734560), (2560, 651922), (2840, 587648), (4544, 367280), (4591, 363520), (5120, 325961), (5680, 293824), (9088, 183640), (9182, 181760), (11360, 146912), (18176, 91820), (18364, 90880), (22720, 73456), (22955, 72704), (36352, 45910), (36728, 45440)]