2798320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 7856640

約数和(自身を除く): 5058320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 263, 266, 280, 304, 380, 526, 532, 560, 665, 760, 1052, 1064, 1315, 1330, 1520, 1841, 2104, 2128, 2630, 2660, 3682, 4208, 4997, 5260, 5320, 7364, 9205, 9994, 10520, 10640, 14728, 18410, 19988, 21040, 24985, 29456, 34979, 36820, 39976, 49970, 69958, 73640, 79952, 99940, 139916, 147280, 174895, 199880, 279832, 349790, 399760, 559664, 699580, 1399160, 2798320]

約数ペア:

[(1, 2798320), (2, 1399160), (4, 699580), (5, 559664), (7, 399760), (8, 349790), (10, 279832), (14, 199880), (16, 174895), (19, 147280), (20, 139916), (28, 99940), (35, 79952), (38, 73640), (40, 69958), (56, 49970), (70, 39976), (76, 36820), (80, 34979), (95, 29456), (112, 24985), (133, 21040), (140, 19988), (152, 18410), (190, 14728), (263, 10640), (266, 10520), (280, 9994), (304, 9205), (380, 7364), (526, 5320), (532, 5260), (560, 4997), (665, 4208), (760, 3682), (1052, 2660), (1064, 2630), (1315, 2128), (1330, 2104), (1520, 1841)]