68758720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 177027840

約数和(自身を除く): 108269120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 263, 304, 320, 344, 380, 430, 526, 608, 688, 760, 817, 860, 1052, 1216, 1315, 1376, 1520, 1634, 1720, 2104, 2630, 2752, 3040, 3268, 3440, 4085, 4208, 4997, 5260, 6080, 6536, 6880, 8170, 8416, 9994, 10520, 11309, 13072, 13760, 16340, 16832, 19988, 21040, 22618, 24985, 26144, 32680, 39976, 42080, 45236, 49970, 52288, 56545, 65360, 79952, 84160, 90472, 99940, 113090, 130720, 159904, 180944, 199880, 214871, 226180, 261440, 319808, 361888, 399760, 429742, 452360, 723776, 799520, 859484, 904720, 1074355, 1599040, 1718968, 1809440, 2148710, 3437936, 3618880, 4297420, 6875872, 8594840, 13751744, 17189680, 34379360, 68758720]

約数ペア:

[(1, 68758720), (2, 34379360), (4, 17189680), (5, 13751744), (8, 8594840), (10, 6875872), (16, 4297420), (19, 3618880), (20, 3437936), (32, 2148710), (38, 1809440), (40, 1718968), (43, 1599040), (64, 1074355), (76, 904720), (80, 859484), (86, 799520), (95, 723776), (152, 452360), (160, 429742), (172, 399760), (190, 361888), (215, 319808), (263, 261440), (304, 226180), (320, 214871), (344, 199880), (380, 180944), (430, 159904), (526, 130720), (608, 113090), (688, 99940), (760, 90472), (817, 84160), (860, 79952), (1052, 65360), (1216, 56545), (1315, 52288), (1376, 49970), (1520, 45236), (1634, 42080), (1720, 39976), (2104, 32680), (2630, 26144), (2752, 24985), (3040, 22618), (3268, 21040), (3440, 19988), (4085, 16832), (4208, 16340), (4997, 13760), (5260, 13072), (6080, 11309), (6536, 10520), (6880, 9994), (8170, 8416)]