128020284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{169339}}^1$

素因数の和:169359

約数の個数: 48

約数和(自身を含む): 379321600

約数和(自身を除く): 251301316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 169339, 338678, 508017, 677356, 1016034, 1185373, 1524051, 2032068, 2370746, 3048102, 3556119, 4572153, 4741492, 6096204, 7112238, 9144306, 10668357, 14224476, 18288612, 21336714, 32005071, 42673428, 64010142, 128020284]

約数ペア:

[(1, 128020284), (2, 64010142), (3, 42673428), (4, 32005071), (6, 21336714), (7, 18288612), (9, 14224476), (12, 10668357), (14, 9144306), (18, 7112238), (21, 6096204), (27, 4741492), (28, 4572153), (36, 3556119), (42, 3048102), (54, 2370746), (63, 2032068), (84, 1524051), (108, 1185373), (126, 1016034), (189, 677356), (252, 508017), (378, 338678), (756, 169339)]