81942060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71879}}^1$

素因数の和:71910

約数の個数: 48

約数和(自身を含む): 241516800

約数和(自身を除く): 159574740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71879, 143758, 215637, 287516, 359395, 431274, 718790, 862548, 1078185, 1365701, 1437580, 2156370, 2731402, 4097103, 4312740, 5462804, 6828505, 8194206, 13657010, 16388412, 20485515, 27314020, 40971030, 81942060]

約数ペア:

[(1, 81942060), (2, 40971030), (3, 27314020), (4, 20485515), (5, 16388412), (6, 13657010), (10, 8194206), (12, 6828505), (15, 5462804), (19, 4312740), (20, 4097103), (30, 2731402), (38, 2156370), (57, 1437580), (60, 1365701), (76, 1078185), (95, 862548), (114, 718790), (190, 431274), (228, 359395), (285, 287516), (380, 215637), (570, 143758), (1140, 71879)]