161091280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{829}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 429793920

約数和(自身を除く): 268702640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 560, 694, 829, 1388, 1658, 1735, 2429, 2776, 3316, 3470, 4145, 4858, 5552, 5803, 6632, 6940, 8290, 9716, 11606, 12145, 13264, 13880, 16580, 19432, 23212, 24290, 27760, 29015, 33160, 38864, 46424, 48580, 58030, 66320, 92848, 97160, 116060, 194320, 232120, 287663, 464240, 575326, 1150652, 1438315, 2013641, 2301304, 2876630, 4027282, 4602608, 5753260, 8054564, 10068205, 11506520, 16109128, 20136410, 23013040, 32218256, 40272820, 80545640, 161091280]

約数ペア:

[(1, 161091280), (2, 80545640), (4, 40272820), (5, 32218256), (7, 23013040), (8, 20136410), (10, 16109128), (14, 11506520), (16, 10068205), (20, 8054564), (28, 5753260), (35, 4602608), (40, 4027282), (56, 2876630), (70, 2301304), (80, 2013641), (112, 1438315), (140, 1150652), (280, 575326), (347, 464240), (560, 287663), (694, 232120), (829, 194320), (1388, 116060), (1658, 97160), (1735, 92848), (2429, 66320), (2776, 58030), (3316, 48580), (3470, 46424), (4145, 38864), (4858, 33160), (5552, 29015), (5803, 27760), (6632, 24290), (6940, 23212), (8290, 19432), (9716, 16580), (11606, 13880), (12145, 13264)]