727121920

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 136

約数和(自身を含む): 2000667744

約数和(自身を除く): 1273545824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 317, 320, 448, 512, 560, 634, 640, 896, 1024, 1120, 1268, 1280, 1585, 1792, 2048, 2219, 2240, 2536, 2560, 3170, 3584, 4096, 4438, 4480, 5072, 5120, 6340, 7168, 8192, 8876, 8960, 10144, 10240, 11095, 12680, 14336, 16384, 17752, 17920, 20288, 20480, 22190, 25360, 28672, 32768, 35504, 35840, 40576, 40960, 44380, 50720, 57344, 65536, 71008, 71680, 81152, 81920, 88760, 101440, 114688, 142016, 143360, 162304, 163840, 177520, 202880, 229376, 284032, 286720, 324608, 327680, 355040, 405760, 458752, 568064, 573440, 649216, 710080, 811520, 1136128, 1146880, 1298432, 1420160, 1623040, 2272256, 2293760, 2596864, 2840320, 3246080, 4544512, 5193728, 5680640, 6492160, 9089024, 10387456, 11361280, 12984320, 18178048, 20774912, 22722560, 25968640, 36356096, 45445120, 51937280, 72712192, 90890240, 103874560, 145424384, 181780480, 363560960, 727121920]

約数ペア:

[(1, 727121920), (2, 363560960), (4, 181780480), (5, 145424384), (7, 103874560), (8, 90890240), (10, 72712192), (14, 51937280), (16, 45445120), (20, 36356096), (28, 25968640), (32, 22722560), (35, 20774912), (40, 18178048), (56, 12984320), (64, 11361280), (70, 10387456), (80, 9089024), (112, 6492160), (128, 5680640), (140, 5193728), (160, 4544512), (224, 3246080), (256, 2840320), (280, 2596864), (317, 2293760), (320, 2272256), (448, 1623040), (512, 1420160), (560, 1298432), (634, 1146880), (640, 1136128), (896, 811520), (1024, 710080), (1120, 649216), (1268, 573440), (1280, 568064), (1585, 458752), (1792, 405760), (2048, 355040), (2219, 327680), (2240, 324608), (2536, 286720), (2560, 284032), (3170, 229376), (3584, 202880), (4096, 177520), (4438, 163840), (4480, 162304), (5072, 143360), (5120, 142016), (6340, 114688), (7168, 101440), (8192, 88760), (8876, 81920), (8960, 81152), (10144, 71680), (10240, 71008), (11095, 65536), (12680, 57344), (14336, 50720), (16384, 44380), (17752, 40960), (17920, 40576), (20288, 35840), (20480, 35504), (22190, 32768), (25360, 28672)]