81043060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2017}}^1$

素因数の和:2081

約数の個数: 72

約数和(自身を含む): 202905864

約数和(自身を除く): 121862804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2017, 2870, 4018, 4034, 5740, 8036, 8068, 10045, 10085, 14119, 20090, 20170, 28238, 40180, 40340, 56476, 70595, 82697, 98833, 141190, 165394, 197666, 282380, 330788, 395332, 413485, 494165, 578879, 826970, 988330, 1157758, 1653940, 1976660, 2315516, 2894395, 4052153, 5788790, 8104306, 11577580, 16208612, 20260765, 40521530, 81043060]

約数ペア:

[(1, 81043060), (2, 40521530), (4, 20260765), (5, 16208612), (7, 11577580), (10, 8104306), (14, 5788790), (20, 4052153), (28, 2894395), (35, 2315516), (41, 1976660), (49, 1653940), (70, 1157758), (82, 988330), (98, 826970), (140, 578879), (164, 494165), (196, 413485), (205, 395332), (245, 330788), (287, 282380), (410, 197666), (490, 165394), (574, 141190), (820, 98833), (980, 82697), (1148, 70595), (1435, 56476), (2009, 40340), (2017, 40180), (2870, 28238), (4018, 20170), (4034, 20090), (5740, 14119), (8036, 10085), (8068, 10045)]