320438256

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 843318048

約数和(自身を除く): 522879792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 157, 202, 303, 314, 404, 421, 471, 606, 628, 808, 842, 942, 1212, 1256, 1263, 1616, 1684, 1884, 2424, 2512, 2526, 3368, 3768, 4848, 5052, 6736, 7536, 10104, 15857, 20208, 31714, 42521, 47571, 63428, 66097, 85042, 95142, 126856, 127563, 132194, 170084, 190284, 198291, 253712, 255126, 264388, 340168, 380568, 396582, 510252, 528776, 680336, 761136, 793164, 1020504, 1057552, 1586328, 2041008, 3172656, 6675797, 13351594, 20027391, 26703188, 40054782, 53406376, 80109564, 106812752, 160219128, 320438256]

約数ペア:

[(1, 320438256), (2, 160219128), (3, 106812752), (4, 80109564), (6, 53406376), (8, 40054782), (12, 26703188), (16, 20027391), (24, 13351594), (48, 6675797), (101, 3172656), (157, 2041008), (202, 1586328), (303, 1057552), (314, 1020504), (404, 793164), (421, 761136), (471, 680336), (606, 528776), (628, 510252), (808, 396582), (842, 380568), (942, 340168), (1212, 264388), (1256, 255126), (1263, 253712), (1616, 198291), (1684, 190284), (1884, 170084), (2424, 132194), (2512, 127563), (2526, 126856), (3368, 95142), (3768, 85042), (4848, 66097), (5052, 63428), (6736, 47571), (7536, 42521), (10104, 31714), (15857, 20208)]