51981960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2053}}^1$

素因数の和:2278

約数の個数: 64

約数和(自身を含む): 156761280

約数和(自身を除く): 104779320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2053, 2110, 2532, 3165, 4106, 4220, 5064, 6159, 6330, 8212, 8440, 10265, 12318, 12660, 16424, 20530, 24636, 25320, 30795, 41060, 49272, 61590, 82120, 123180, 246360, 433183, 866366, 1299549, 1732732, 2165915, 2599098, 3465464, 4331830, 5198196, 6497745, 8663660, 10396392, 12995490, 17327320, 25990980, 51981960]

約数ペア:

[(1, 51981960), (2, 25990980), (3, 17327320), (4, 12995490), (5, 10396392), (6, 8663660), (8, 6497745), (10, 5198196), (12, 4331830), (15, 3465464), (20, 2599098), (24, 2165915), (30, 1732732), (40, 1299549), (60, 866366), (120, 433183), (211, 246360), (422, 123180), (633, 82120), (844, 61590), (1055, 49272), (1266, 41060), (1688, 30795), (2053, 25320), (2110, 24636), (2532, 20530), (3165, 16424), (4106, 12660), (4220, 12318), (5064, 10265), (6159, 8440), (6330, 8212)]