51228540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25873}}^1$

素因数の和:25899

約数の個数: 72

約数和(自身を含む): 169526448

約数和(自身を除く): 118297908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25873, 51746, 77619, 103492, 129365, 155238, 232857, 258730, 284603, 310476, 388095, 465714, 517460, 569206, 776190, 853809, 931428, 1138412, 1164285, 1423015, 1552380, 1707618, 2328570, 2561427, 2846030, 3415236, 4269045, 4657140, 5122854, 5692060, 8538090, 10245708, 12807135, 17076180, 25614270, 51228540]

約数ペア:

[(1, 51228540), (2, 25614270), (3, 17076180), (4, 12807135), (5, 10245708), (6, 8538090), (9, 5692060), (10, 5122854), (11, 4657140), (12, 4269045), (15, 3415236), (18, 2846030), (20, 2561427), (22, 2328570), (30, 1707618), (33, 1552380), (36, 1423015), (44, 1164285), (45, 1138412), (55, 931428), (60, 853809), (66, 776190), (90, 569206), (99, 517460), (110, 465714), (132, 388095), (165, 310476), (180, 284603), (198, 258730), (220, 232857), (330, 155238), (396, 129365), (495, 103492), (660, 77619), (990, 51746), (1980, 25873)]