256951224

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{7577}}^1$

素因数の和:7749

約数の個数: 64

約数和(自身を含む): 718394400

約数和(自身を除く): 461443176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 4239, 5652, 7577, 8478, 11304, 15154, 16956, 22731, 30308, 33912, 45462, 60616, 68193, 90924, 136386, 181848, 204579, 272772, 409158, 545544, 818316, 1189589, 1636632, 2379178, 3568767, 4758356, 7137534, 9516712, 10706301, 14275068, 21412602, 28550136, 32118903, 42825204, 64237806, 85650408, 128475612, 256951224]

約数ペア:

[(1, 256951224), (2, 128475612), (3, 85650408), (4, 64237806), (6, 42825204), (8, 32118903), (9, 28550136), (12, 21412602), (18, 14275068), (24, 10706301), (27, 9516712), (36, 7137534), (54, 4758356), (72, 3568767), (108, 2379178), (157, 1636632), (216, 1189589), (314, 818316), (471, 545544), (628, 409158), (942, 272772), (1256, 204579), (1413, 181848), (1884, 136386), (2826, 90924), (3768, 68193), (4239, 60616), (5652, 45462), (7577, 33912), (8478, 30308), (11304, 22731), (15154, 16956)]