68301280

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2719}}^1$

素因数の和:2891

約数の個数: 48

約数和(自身を含む): 162449280

約数和(自身を除く): 94148000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 2719, 3140, 5024, 5438, 6280, 10876, 12560, 13595, 21752, 25120, 27190, 43504, 54380, 87008, 108760, 217520, 426883, 435040, 853766, 1707532, 2134415, 3415064, 4268830, 6830128, 8537660, 13660256, 17075320, 34150640, 68301280]

約数ペア:

[(1, 68301280), (2, 34150640), (4, 17075320), (5, 13660256), (8, 8537660), (10, 6830128), (16, 4268830), (20, 3415064), (32, 2134415), (40, 1707532), (80, 853766), (157, 435040), (160, 426883), (314, 217520), (628, 108760), (785, 87008), (1256, 54380), (1570, 43504), (2512, 27190), (2719, 25120), (3140, 21752), (5024, 13595), (5438, 12560), (6280, 10876)]