16551920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2687}}^1$

素因数の和:2718

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 31445008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2687, 3080, 5374, 6160, 10748, 13435, 18809, 21496, 26870, 29557, 37618, 42992, 53740, 59114, 75236, 94045, 107480, 118228, 147785, 150472, 188090, 206899, 214960, 236456, 295570, 300944, 376180, 413798, 472912, 591140, 752360, 827596, 1034495, 1182280, 1504720, 1655192, 2068990, 2364560, 3310384, 4137980, 8275960, 16551920]

約数ペア:

[(1, 16551920), (2, 8275960), (4, 4137980), (5, 3310384), (7, 2364560), (8, 2068990), (10, 1655192), (11, 1504720), (14, 1182280), (16, 1034495), (20, 827596), (22, 752360), (28, 591140), (35, 472912), (40, 413798), (44, 376180), (55, 300944), (56, 295570), (70, 236456), (77, 214960), (80, 206899), (88, 188090), (110, 150472), (112, 147785), (140, 118228), (154, 107480), (176, 94045), (220, 75236), (280, 59114), (308, 53740), (385, 42992), (440, 37618), (560, 29557), (616, 26870), (770, 21496), (880, 18809), (1232, 13435), (1540, 10748), (2687, 6160), (3080, 5374)]