630128640

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 136

約数和(自身を含む): 2019541968

約数和(自身を除く): 1389413328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 641, 768, 960, 1024, 1280, 1282, 1536, 1920, 1923, 2048, 2560, 2564, 3072, 3205, 3840, 3846, 4096, 5120, 5128, 6144, 6410, 7680, 7692, 8192, 9615, 10240, 10256, 12288, 12820, 15360, 15384, 16384, 19230, 20480, 20512, 24576, 25640, 30720, 30768, 32768, 38460, 40960, 41024, 49152, 51280, 61440, 61536, 65536, 76920, 81920, 82048, 98304, 102560, 122880, 123072, 153840, 163840, 164096, 196608, 205120, 245760, 246144, 307680, 327680, 328192, 410240, 491520, 492288, 615360, 656384, 820480, 983040, 984576, 1230720, 1312768, 1640960, 1969152, 2461440, 2625536, 3281920, 3938304, 4922880, 5251072, 6563840, 7876608, 9845760, 10502144, 13127680, 15753216, 19691520, 21004288, 26255360, 31506432, 39383040, 42008576, 52510720, 63012864, 78766080, 105021440, 126025728, 157532160, 210042880, 315064320, 630128640]

約数ペア:

[(1, 630128640), (2, 315064320), (3, 210042880), (4, 157532160), (5, 126025728), (6, 105021440), (8, 78766080), (10, 63012864), (12, 52510720), (15, 42008576), (16, 39383040), (20, 31506432), (24, 26255360), (30, 21004288), (32, 19691520), (40, 15753216), (48, 13127680), (60, 10502144), (64, 9845760), (80, 7876608), (96, 6563840), (120, 5251072), (128, 4922880), (160, 3938304), (192, 3281920), (240, 2625536), (256, 2461440), (320, 1969152), (384, 1640960), (480, 1312768), (512, 1230720), (640, 984576), (641, 983040), (768, 820480), (960, 656384), (1024, 615360), (1280, 492288), (1282, 491520), (1536, 410240), (1920, 328192), (1923, 327680), (2048, 307680), (2560, 246144), (2564, 245760), (3072, 205120), (3205, 196608), (3840, 164096), (3846, 163840), (4096, 153840), (5120, 123072), (5128, 122880), (6144, 102560), (6410, 98304), (7680, 82048), (7692, 81920), (8192, 76920), (9615, 65536), (10240, 61536), (10256, 61440), (12288, 51280), (12820, 49152), (15360, 41024), (15384, 40960), (16384, 38460), (19230, 32768), (20480, 30768), (20512, 30720), (24576, 25640)]