256145220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{474343}}^1$

素因数の和:474361

約数の個数: 48

約数和(自身を含む): 796897920

約数和(自身を除く): 540752700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 474343, 948686, 1423029, 1897372, 2371715, 2846058, 4269087, 4743430, 5692116, 7115145, 8538174, 9486860, 12807261, 14230290, 17076348, 21345435, 25614522, 28460580, 42690870, 51229044, 64036305, 85381740, 128072610, 256145220]

約数ペア:

[(1, 256145220), (2, 128072610), (3, 85381740), (4, 64036305), (5, 51229044), (6, 42690870), (9, 28460580), (10, 25614522), (12, 21345435), (15, 17076348), (18, 14230290), (20, 12807261), (27, 9486860), (30, 8538174), (36, 7115145), (45, 5692116), (54, 4743430), (60, 4269087), (90, 2846058), (108, 2371715), (135, 1897372), (180, 1423029), (270, 948686), (540, 474343)]