68190640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 182274048

約数和(自身を除く): 114083408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 463, 526, 560, 926, 1052, 1315, 1841, 1852, 2104, 2315, 2630, 3241, 3682, 3704, 4208, 4630, 5260, 6482, 7364, 7408, 9205, 9260, 10520, 12964, 14728, 16205, 18410, 18520, 21040, 25928, 29456, 32410, 36820, 37040, 51856, 64820, 73640, 121769, 129640, 147280, 243538, 259280, 487076, 608845, 852383, 974152, 1217690, 1704766, 1948304, 2435380, 3409532, 4261915, 4870760, 6819064, 8523830, 9741520, 13638128, 17047660, 34095320, 68190640]

約数ペア:

[(1, 68190640), (2, 34095320), (4, 17047660), (5, 13638128), (7, 9741520), (8, 8523830), (10, 6819064), (14, 4870760), (16, 4261915), (20, 3409532), (28, 2435380), (35, 1948304), (40, 1704766), (56, 1217690), (70, 974152), (80, 852383), (112, 608845), (140, 487076), (263, 259280), (280, 243538), (463, 147280), (526, 129640), (560, 121769), (926, 73640), (1052, 64820), (1315, 51856), (1841, 37040), (1852, 36820), (2104, 32410), (2315, 29456), (2630, 25928), (3241, 21040), (3682, 18520), (3704, 18410), (4208, 16205), (4630, 14728), (5260, 12964), (6482, 10520), (7364, 9260), (7408, 9205)]