20078885120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{3779}}^1$

素因数の和:4400

約数の個数: 144

約数和(自身を含む): 55073208960

約数和(自身を除く): 34994323840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 593, 640, 896, 1120, 1186, 1280, 1792, 2240, 2372, 2965, 3779, 4151, 4480, 4744, 5930, 7558, 8302, 8960, 9488, 11860, 15116, 16604, 18895, 18976, 20755, 23720, 26453, 30232, 33208, 37790, 37952, 41510, 47440, 52906, 60464, 66416, 75580, 75904, 83020, 94880, 105812, 120928, 132265, 132832, 151160, 151808, 166040, 189760, 211624, 241856, 264530, 265664, 302320, 332080, 379520, 423248, 483712, 529060, 531328, 604640, 664160, 759040, 846496, 967424, 1058120, 1062656, 1209280, 1328320, 1692992, 2116240, 2240947, 2418560, 2656640, 3385984, 4232480, 4481894, 4837120, 5313280, 6771968, 8464960, 8963788, 11204735, 15686629, 16929920, 17927576, 22409470, 31373258, 33859840, 35855152, 44818940, 62746516, 71710304, 78433145, 89637880, 125493032, 143420608, 156866290, 179275760, 250986064, 286841216, 313732580, 358551520, 501972128, 573682432, 627465160, 717103040, 1003944256, 1254930320, 1434206080, 2007888512, 2509860640, 2868412160, 4015777024, 5019721280, 10039442560, 20078885120]

約数ペア:

[(1, 20078885120), (2, 10039442560), (4, 5019721280), (5, 4015777024), (7, 2868412160), (8, 2509860640), (10, 2007888512), (14, 1434206080), (16, 1254930320), (20, 1003944256), (28, 717103040), (32, 627465160), (35, 573682432), (40, 501972128), (56, 358551520), (64, 313732580), (70, 286841216), (80, 250986064), (112, 179275760), (128, 156866290), (140, 143420608), (160, 125493032), (224, 89637880), (256, 78433145), (280, 71710304), (320, 62746516), (448, 44818940), (560, 35855152), (593, 33859840), (640, 31373258), (896, 22409470), (1120, 17927576), (1186, 16929920), (1280, 15686629), (1792, 11204735), (2240, 8963788), (2372, 8464960), (2965, 6771968), (3779, 5313280), (4151, 4837120), (4480, 4481894), (4744, 4232480), (5930, 3385984), (7558, 2656640), (8302, 2418560), (8960, 2240947), (9488, 2116240), (11860, 1692992), (15116, 1328320), (16604, 1209280), (18895, 1062656), (18976, 1058120), (20755, 967424), (23720, 846496), (26453, 759040), (30232, 664160), (33208, 604640), (37790, 531328), (37952, 529060), (41510, 483712), (47440, 423248), (52906, 379520), (60464, 332080), (66416, 302320), (75580, 265664), (75904, 264530), (83020, 241856), (94880, 211624), (105812, 189760), (120928, 166040), (132265, 151808), (132832, 151160)]