20515000320

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{111301}}^1$

素因数の和:111336

約数の個数: 156

約数和(自身を含む): 71110625196

約数和(自身を除く): 50595624876

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, 2048, 2304, 2560, 2880, 3072, 3840, 4096, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 12288, 15360, 18432, 20480, 23040, 30720, 36864, 46080, 61440, 92160, 111301, 184320, 222602, 333903, 445204, 556505, 667806, 890408, 1001709, 1113010, 1335612, 1669515, 1780816, 2003418, 2226020, 2671224, 3339030, 3561632, 4006836, 4452040, 5008545, 5342448, 6678060, 7123264, 8013672, 8904080, 10017090, 10684896, 13356120, 14246528, 16027344, 17808160, 20034180, 21369792, 26712240, 28493056, 32054688, 35616320, 40068360, 42739584, 53424480, 56986112, 64109376, 71232640, 80136720, 85479168, 106848960, 113972224, 128218752, 142465280, 160273440, 170958336, 213697920, 227944448, 256437504, 284930560, 320546880, 341916672, 427395840, 455888896, 512875008, 569861120, 641093760, 683833344, 854791680, 1025750016, 1139722240, 1282187520, 1367666688, 1709583360, 2051500032, 2279444480, 2564375040, 3419166720, 4103000064, 5128750080, 6838333440, 10257500160, 20515000320]

約数ペア:

[(1, 20515000320), (2, 10257500160), (3, 6838333440), (4, 5128750080), (5, 4103000064), (6, 3419166720), (8, 2564375040), (9, 2279444480), (10, 2051500032), (12, 1709583360), (15, 1367666688), (16, 1282187520), (18, 1139722240), (20, 1025750016), (24, 854791680), (30, 683833344), (32, 641093760), (36, 569861120), (40, 512875008), (45, 455888896), (48, 427395840), (60, 341916672), (64, 320546880), (72, 284930560), (80, 256437504), (90, 227944448), (96, 213697920), (120, 170958336), (128, 160273440), (144, 142465280), (160, 128218752), (180, 113972224), (192, 106848960), (240, 85479168), (256, 80136720), (288, 71232640), (320, 64109376), (360, 56986112), (384, 53424480), (480, 42739584), (512, 40068360), (576, 35616320), (640, 32054688), (720, 28493056), (768, 26712240), (960, 21369792), (1024, 20034180), (1152, 17808160), (1280, 16027344), (1440, 14246528), (1536, 13356120), (1920, 10684896), (2048, 10017090), (2304, 8904080), (2560, 8013672), (2880, 7123264), (3072, 6678060), (3840, 5342448), (4096, 5008545), (4608, 4452040), (5120, 4006836), (5760, 3561632), (6144, 3339030), (7680, 2671224), (9216, 2226020), (10240, 2003418), (11520, 1780816), (12288, 1669515), (15360, 1335612), (18432, 1113010), (20480, 1001709), (23040, 890408), (30720, 667806), (36864, 556505), (46080, 445204), (61440, 333903), (92160, 222602), (111301, 184320)]