198386040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71879}}^1$

素因数の和:71916

約数の個数: 64

約数和(自身を含む): 621043200

約数和(自身を除く): 422657160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 71879, 143758, 215637, 287516, 359395, 431274, 575032, 718790, 862548, 1078185, 1437580, 1653217, 1725096, 2156370, 2875160, 3306434, 4312740, 4959651, 6612868, 8266085, 8625480, 9919302, 13225736, 16532170, 19838604, 24798255, 33064340, 39677208, 49596510, 66128680, 99193020, 198386040]

約数ペア:

[(1, 198386040), (2, 99193020), (3, 66128680), (4, 49596510), (5, 39677208), (6, 33064340), (8, 24798255), (10, 19838604), (12, 16532170), (15, 13225736), (20, 9919302), (23, 8625480), (24, 8266085), (30, 6612868), (40, 4959651), (46, 4312740), (60, 3306434), (69, 2875160), (92, 2156370), (115, 1725096), (120, 1653217), (138, 1437580), (184, 1078185), (230, 862548), (276, 718790), (345, 575032), (460, 431274), (552, 359395), (690, 287516), (920, 215637), (1380, 143758), (2760, 71879)]