77733880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1223}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 200931840

約数和(自身を除く): 123197960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1223, 1589, 1816, 2270, 2446, 3178, 4540, 4892, 6115, 6356, 7945, 8561, 9080, 9784, 12230, 12712, 15890, 17122, 24460, 31780, 34244, 42805, 48920, 63560, 68488, 85610, 171220, 277621, 342440, 555242, 1110484, 1388105, 1943347, 2220968, 2776210, 3886694, 5552420, 7773388, 9716735, 11104840, 15546776, 19433470, 38866940, 77733880]

約数ペア:

[(1, 77733880), (2, 38866940), (4, 19433470), (5, 15546776), (7, 11104840), (8, 9716735), (10, 7773388), (14, 5552420), (20, 3886694), (28, 2776210), (35, 2220968), (40, 1943347), (56, 1388105), (70, 1110484), (140, 555242), (227, 342440), (280, 277621), (454, 171220), (908, 85610), (1135, 68488), (1223, 63560), (1589, 48920), (1816, 42805), (2270, 34244), (2446, 31780), (3178, 24460), (4540, 17122), (4892, 15890), (6115, 12712), (6356, 12230), (7945, 9784), (8561, 9080)]