660257280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{28657}}^1$

素因数の和:28686

約数の個数: 120

約数和(自身を含む): 2286736452

約数和(自身を除く): 1626479172

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, 23040, 28657, 57314, 85971, 114628, 143285, 171942, 229256, 257913, 286570, 343884, 429855, 458512, 515826, 573140, 687768, 859710, 917024, 1031652, 1146280, 1289565, 1375536, 1719420, 1834048, 2063304, 2292560, 2579130, 2751072, 3438840, 3668096, 4126608, 4585120, 5158260, 5502144, 6877680, 7336192, 8253216, 9170240, 10316520, 11004288, 13755360, 14672384, 16506432, 18340480, 20633040, 22008576, 27510720, 33012864, 36680960, 41266080, 44017152, 55021440, 66025728, 73361920, 82532160, 110042880, 132051456, 165064320, 220085760, 330128640, 660257280]

約数ペア:

[(1, 660257280), (2, 330128640), (3, 220085760), (4, 165064320), (5, 132051456), (6, 110042880), (8, 82532160), (9, 73361920), (10, 66025728), (12, 55021440), (15, 44017152), (16, 41266080), (18, 36680960), (20, 33012864), (24, 27510720), (30, 22008576), (32, 20633040), (36, 18340480), (40, 16506432), (45, 14672384), (48, 13755360), (60, 11004288), (64, 10316520), (72, 9170240), (80, 8253216), (90, 7336192), (96, 6877680), (120, 5502144), (128, 5158260), (144, 4585120), (160, 4126608), (180, 3668096), (192, 3438840), (240, 2751072), (256, 2579130), (288, 2292560), (320, 2063304), (360, 1834048), (384, 1719420), (480, 1375536), (512, 1289565), (576, 1146280), (640, 1031652), (720, 917024), (768, 859710), (960, 687768), (1152, 573140), (1280, 515826), (1440, 458512), (1536, 429855), (1920, 343884), (2304, 286570), (2560, 257913), (2880, 229256), (3840, 171942), (4608, 143285), (5760, 114628), (7680, 85971), (11520, 57314), (23040, 28657)]