7916720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 21451008

約数和(自身を除く): 13534288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 211, 268, 280, 335, 422, 469, 536, 560, 670, 844, 938, 1055, 1072, 1340, 1477, 1688, 1876, 2110, 2345, 2680, 2954, 3376, 3752, 4220, 4690, 5360, 5908, 7385, 7504, 8440, 9380, 11816, 14137, 14770, 16880, 18760, 23632, 28274, 29540, 37520, 56548, 59080, 70685, 98959, 113096, 118160, 141370, 197918, 226192, 282740, 395836, 494795, 565480, 791672, 989590, 1130960, 1583344, 1979180, 3958360, 7916720]

約数ペア:

[(1, 7916720), (2, 3958360), (4, 1979180), (5, 1583344), (7, 1130960), (8, 989590), (10, 791672), (14, 565480), (16, 494795), (20, 395836), (28, 282740), (35, 226192), (40, 197918), (56, 141370), (67, 118160), (70, 113096), (80, 98959), (112, 70685), (134, 59080), (140, 56548), (211, 37520), (268, 29540), (280, 28274), (335, 23632), (422, 18760), (469, 16880), (536, 14770), (560, 14137), (670, 11816), (844, 9380), (938, 8440), (1055, 7504), (1072, 7385), (1340, 5908), (1477, 5360), (1688, 4690), (1876, 4220), (2110, 3752), (2345, 3376), (2680, 2954)]