81305220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1117

約数の個数: 96

約数和(自身を含む): 244339200

約数和(自身を除く): 163033980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 316, 340, 395, 474, 510, 790, 948, 1009, 1020, 1185, 1343, 1580, 2018, 2370, 2686, 3027, 4029, 4036, 4740, 5045, 5372, 6054, 6715, 8058, 10090, 12108, 13430, 15135, 16116, 17153, 20145, 20180, 26860, 30270, 34306, 40290, 51459, 60540, 68612, 79711, 80580, 85765, 102918, 159422, 171530, 205836, 239133, 257295, 318844, 343060, 398555, 478266, 514590, 797110, 956532, 1029180, 1195665, 1355087, 1594220, 2391330, 2710174, 4065261, 4782660, 5420348, 6775435, 8130522, 13550870, 16261044, 20326305, 27101740, 40652610, 81305220]

約数ペア:

[(1, 81305220), (2, 40652610), (3, 27101740), (4, 20326305), (5, 16261044), (6, 13550870), (10, 8130522), (12, 6775435), (15, 5420348), (17, 4782660), (20, 4065261), (30, 2710174), (34, 2391330), (51, 1594220), (60, 1355087), (68, 1195665), (79, 1029180), (85, 956532), (102, 797110), (158, 514590), (170, 478266), (204, 398555), (237, 343060), (255, 318844), (316, 257295), (340, 239133), (395, 205836), (474, 171530), (510, 159422), (790, 102918), (948, 85765), (1009, 80580), (1020, 79711), (1185, 68612), (1343, 60540), (1580, 51459), (2018, 40290), (2370, 34306), (2686, 30270), (3027, 26860), (4029, 20180), (4036, 20145), (4740, 17153), (5045, 16116), (5372, 15135), (6054, 13430), (6715, 12108), (8058, 10090)]