161276780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28097}}^1$

素因数の和:28154

約数の個数: 48

約数和(自身を含む): 396518976

約数和(自身を除く): 235242196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 28097, 56194, 112388, 140485, 196679, 280970, 393358, 561940, 786716, 983395, 1151977, 1966790, 2303954, 3933580, 4607908, 5759885, 8063839, 11519770, 16127678, 23039540, 32255356, 40319195, 80638390, 161276780]

約数ペア:

[(1, 161276780), (2, 80638390), (4, 40319195), (5, 32255356), (7, 23039540), (10, 16127678), (14, 11519770), (20, 8063839), (28, 5759885), (35, 4607908), (41, 3933580), (70, 2303954), (82, 1966790), (140, 1151977), (164, 983395), (205, 786716), (287, 561940), (410, 393358), (574, 280970), (820, 196679), (1148, 140485), (1435, 112388), (2870, 56194), (5740, 28097)]