2555960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 6484320

約数和(自身を除く): 3928360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 157, 185, 220, 296, 314, 370, 407, 440, 628, 740, 785, 814, 1256, 1480, 1570, 1628, 1727, 2035, 3140, 3256, 3454, 4070, 5809, 6280, 6908, 8140, 8635, 11618, 13816, 16280, 17270, 23236, 29045, 34540, 46472, 58090, 63899, 69080, 116180, 127798, 232360, 255596, 319495, 511192, 638990, 1277980, 2555960]

約数ペア:

[(1, 2555960), (2, 1277980), (4, 638990), (5, 511192), (8, 319495), (10, 255596), (11, 232360), (20, 127798), (22, 116180), (37, 69080), (40, 63899), (44, 58090), (55, 46472), (74, 34540), (88, 29045), (110, 23236), (148, 17270), (157, 16280), (185, 13816), (220, 11618), (296, 8635), (314, 8140), (370, 6908), (407, 6280), (440, 5809), (628, 4070), (740, 3454), (785, 3256), (814, 3140), (1256, 2035), (1480, 1727), (1570, 1628)]