491281920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{21323}}^1$

素因数の和:21352

約数の個数: 120

約数和(自身を含む): 1701527256

約数和(自身を除く): 1210245336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 21323, 23040, 42646, 63969, 85292, 106615, 127938, 170584, 191907, 213230, 255876, 319845, 341168, 383814, 426460, 511752, 639690, 682336, 767628, 852920, 959535, 1023504, 1279380, 1364672, 1535256, 1705840, 1919070, 2047008, 2558760, 2729344, 3070512, 3411680, 3838140, 4094016, 5117520, 5458688, 6141024, 6823360, 7676280, 8188032, 10235040, 10917376, 12282048, 13646720, 15352560, 16376064, 20470080, 24564096, 27293440, 30705120, 32752128, 40940160, 49128192, 54586880, 61410240, 81880320, 98256384, 122820480, 163760640, 245640960, 491281920]

約数ペア:

[(1, 491281920), (2, 245640960), (3, 163760640), (4, 122820480), (5, 98256384), (6, 81880320), (8, 61410240), (9, 54586880), (10, 49128192), (12, 40940160), (15, 32752128), (16, 30705120), (18, 27293440), (20, 24564096), (24, 20470080), (30, 16376064), (32, 15352560), (36, 13646720), (40, 12282048), (45, 10917376), (48, 10235040), (60, 8188032), (64, 7676280), (72, 6823360), (80, 6141024), (90, 5458688), (96, 5117520), (120, 4094016), (128, 3838140), (144, 3411680), (160, 3070512), (180, 2729344), (192, 2558760), (240, 2047008), (256, 1919070), (288, 1705840), (320, 1535256), (360, 1364672), (384, 1279380), (480, 1023504), (512, 959535), (576, 852920), (640, 767628), (720, 682336), (768, 639690), (960, 511752), (1152, 426460), (1280, 383814), (1440, 341168), (1536, 319845), (1920, 255876), (2304, 213230), (2560, 191907), (2880, 170584), (3840, 127938), (4608, 106615), (5760, 85292), (7680, 63969), (11520, 42646), (21323, 23040)]