20387589120

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{442439}}^1$

素因数の和:442470

約数の個数: 132

約数和(自身を含む): 70642625040

約数和(自身を除く): 50255035920

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, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 9216, 11520, 15360, 23040, 46080, 442439, 884878, 1327317, 1769756, 2212195, 2654634, 3539512, 3981951, 4424390, 5309268, 6636585, 7079024, 7963902, 8848780, 10618536, 13273170, 14158048, 15927804, 17697560, 19909755, 21237072, 26546340, 28316096, 31855608, 35395120, 39819510, 42474144, 53092680, 56632192, 63711216, 70790240, 79639020, 84948288, 106185360, 113264384, 127422432, 141580480, 159278040, 169896576, 212370720, 226528768, 254844864, 283160960, 318556080, 339793152, 424741440, 453057536, 509689728, 566321920, 637112160, 679586304, 849482880, 1019379456, 1132643840, 1274224320, 1359172608, 1698965760, 2038758912, 2265287680, 2548448640, 3397931520, 4077517824, 5096897280, 6795863040, 10193794560, 20387589120]

約数ペア:

[(1, 20387589120), (2, 10193794560), (3, 6795863040), (4, 5096897280), (5, 4077517824), (6, 3397931520), (8, 2548448640), (9, 2265287680), (10, 2038758912), (12, 1698965760), (15, 1359172608), (16, 1274224320), (18, 1132643840), (20, 1019379456), (24, 849482880), (30, 679586304), (32, 637112160), (36, 566321920), (40, 509689728), (45, 453057536), (48, 424741440), (60, 339793152), (64, 318556080), (72, 283160960), (80, 254844864), (90, 226528768), (96, 212370720), (120, 169896576), (128, 159278040), (144, 141580480), (160, 127422432), (180, 113264384), (192, 106185360), (240, 84948288), (256, 79639020), (288, 70790240), (320, 63711216), (360, 56632192), (384, 53092680), (480, 42474144), (512, 39819510), (576, 35395120), (640, 31855608), (720, 28316096), (768, 26546340), (960, 21237072), (1024, 19909755), (1152, 17697560), (1280, 15927804), (1440, 14158048), (1536, 13273170), (1920, 10618536), (2304, 8848780), (2560, 7963902), (2880, 7079024), (3072, 6636585), (3840, 5309268), (4608, 4424390), (5120, 3981951), (5760, 3539512), (7680, 2654634), (9216, 2212195), (11520, 1769756), (15360, 1327317), (23040, 884878), (46080, 442439)]