81083240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 96

約数和(自身を含む): 217614600

約数和(自身を除く): 136531360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 574, 820, 980, 1009, 1148, 1435, 1640, 1960, 2009, 2018, 2296, 2870, 4018, 4036, 5045, 5740, 7063, 8036, 8072, 10045, 10090, 11480, 14126, 16072, 20090, 20180, 28252, 35315, 40180, 40360, 41369, 49441, 56504, 70630, 80360, 82738, 98882, 141260, 165476, 197764, 206845, 247205, 282520, 289583, 330952, 395528, 413690, 494410, 579166, 827380, 988820, 1158332, 1447915, 1654760, 1977640, 2027081, 2316664, 2895830, 4054162, 5791660, 8108324, 10135405, 11583320, 16216648, 20270810, 40541620, 81083240]

約数ペア:

[(1, 81083240), (2, 40541620), (4, 20270810), (5, 16216648), (7, 11583320), (8, 10135405), (10, 8108324), (14, 5791660), (20, 4054162), (28, 2895830), (35, 2316664), (40, 2027081), (41, 1977640), (49, 1654760), (56, 1447915), (70, 1158332), (82, 988820), (98, 827380), (140, 579166), (164, 494410), (196, 413690), (205, 395528), (245, 330952), (280, 289583), (287, 282520), (328, 247205), (392, 206845), (410, 197764), (490, 165476), (574, 141260), (820, 98882), (980, 82738), (1009, 80360), (1148, 70630), (1435, 56504), (1640, 49441), (1960, 41369), (2009, 40360), (2018, 40180), (2296, 35315), (2870, 28252), (4018, 20180), (4036, 20090), (5045, 16072), (5740, 14126), (7063, 11480), (8036, 10090), (8072, 10045)]