2015657680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{2777}}^1$

素因数の和:3044

約数の個数: 80

約数和(自身を含む): 4819852224

約数和(自身を除く): 2804194544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 211, 215, 344, 422, 430, 688, 844, 860, 1055, 1688, 1720, 2110, 2777, 3376, 3440, 4220, 5554, 8440, 9073, 11108, 13885, 16880, 18146, 22216, 27770, 36292, 44432, 45365, 55540, 72584, 90730, 111080, 119411, 145168, 181460, 222160, 238822, 362920, 477644, 585947, 597055, 725840, 955288, 1171894, 1194110, 1910576, 2343788, 2388220, 2929735, 4687576, 4776440, 5859470, 9375152, 9552880, 11718940, 23437880, 25195721, 46875760, 50391442, 100782884, 125978605, 201565768, 251957210, 403131536, 503914420, 1007828840, 2015657680]

約数ペア:

[(1, 2015657680), (2, 1007828840), (4, 503914420), (5, 403131536), (8, 251957210), (10, 201565768), (16, 125978605), (20, 100782884), (40, 50391442), (43, 46875760), (80, 25195721), (86, 23437880), (172, 11718940), (211, 9552880), (215, 9375152), (344, 5859470), (422, 4776440), (430, 4687576), (688, 2929735), (844, 2388220), (860, 2343788), (1055, 1910576), (1688, 1194110), (1720, 1171894), (2110, 955288), (2777, 725840), (3376, 597055), (3440, 585947), (4220, 477644), (5554, 362920), (8440, 238822), (9073, 222160), (11108, 181460), (13885, 145168), (16880, 119411), (18146, 111080), (22216, 90730), (27770, 72584), (36292, 55540), (44432, 45365)]