255964590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{135431}}^1$

素因数の和:135454

約数の個数: 64

約数和(自身を含む): 780088320

約数和(自身を除く): 524123730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 135431, 270862, 406293, 677155, 812586, 948017, 1218879, 1354310, 1896034, 2031465, 2437758, 2844051, 3656637, 4062930, 4740085, 5688102, 6094395, 7313274, 8532153, 9480170, 12188790, 14220255, 17064306, 18283185, 25596459, 28440510, 36566370, 42660765, 51192918, 85321530, 127982295, 255964590]

約数ペア:

[(1, 255964590), (2, 127982295), (3, 85321530), (5, 51192918), (6, 42660765), (7, 36566370), (9, 28440510), (10, 25596459), (14, 18283185), (15, 17064306), (18, 14220255), (21, 12188790), (27, 9480170), (30, 8532153), (35, 7313274), (42, 6094395), (45, 5688102), (54, 4740085), (63, 4062930), (70, 3656637), (90, 2844051), (105, 2437758), (126, 2031465), (135, 1896034), (189, 1354310), (210, 1218879), (270, 948017), (315, 812586), (378, 677155), (630, 406293), (945, 270862), (1890, 135431)]