420510720

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{3911}}^1$

素因数の和:3946

約数の個数: 176

約数和(自身を含む): 1537509888

約数和(自身を除く): 1116999168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 3911, 4480, 5120, 5376, 6720, 7168, 7680, 7822, 8960, 10752, 11733, 13440, 15360, 15644, 17920, 19555, 21504, 23466, 26880, 27377, 31288, 35840, 39110, 46932, 53760, 54754, 58665, 62576, 78220, 82131, 93864, 107520, 109508, 117330, 125152, 136885, 156440, 164262, 187728, 219016, 234660, 250304, 273770, 312880, 328524, 375456, 410655, 438032, 469320, 500608, 547540, 625760, 657048, 750912, 821310, 876064, 938640, 1001216, 1095080, 1251520, 1314096, 1501824, 1642620, 1752128, 1877280, 2002432, 2190160, 2503040, 2628192, 3003648, 3285240, 3504256, 3754560, 4004864, 4380320, 5006080, 5256384, 6007296, 6570480, 7008512, 7509120, 8760640, 10012160, 10512768, 12014592, 13140960, 14017024, 15018240, 17521280, 20024320, 21025536, 26281920, 28034048, 30036480, 35042560, 42051072, 52563840, 60072960, 70085120, 84102144, 105127680, 140170240, 210255360, 420510720]

約数ペア:

[(1, 420510720), (2, 210255360), (3, 140170240), (4, 105127680), (5, 84102144), (6, 70085120), (7, 60072960), (8, 52563840), (10, 42051072), (12, 35042560), (14, 30036480), (15, 28034048), (16, 26281920), (20, 21025536), (21, 20024320), (24, 17521280), (28, 15018240), (30, 14017024), (32, 13140960), (35, 12014592), (40, 10512768), (42, 10012160), (48, 8760640), (56, 7509120), (60, 7008512), (64, 6570480), (70, 6007296), (80, 5256384), (84, 5006080), (96, 4380320), (105, 4004864), (112, 3754560), (120, 3504256), (128, 3285240), (140, 3003648), (160, 2628192), (168, 2503040), (192, 2190160), (210, 2002432), (224, 1877280), (240, 1752128), (256, 1642620), (280, 1501824), (320, 1314096), (336, 1251520), (384, 1095080), (420, 1001216), (448, 938640), (480, 876064), (512, 821310), (560, 750912), (640, 657048), (672, 625760), (768, 547540), (840, 500608), (896, 469320), (960, 438032), (1024, 410655), (1120, 375456), (1280, 328524), (1344, 312880), (1536, 273770), (1680, 250304), (1792, 234660), (1920, 219016), (2240, 187728), (2560, 164262), (2688, 156440), (3072, 136885), (3360, 125152), (3584, 117330), (3840, 109508), (3911, 107520), (4480, 93864), (5120, 82131), (5376, 78220), (6720, 62576), (7168, 58665), (7680, 54754), (7822, 53760), (8960, 46932), (10752, 39110), (11733, 35840), (13440, 31288), (15360, 27377), (15644, 26880), (17920, 23466), (19555, 21504)]