131579856

素因数分解:

$2^4\times 3^3\times {\mathrm{541}}^1\times {\mathrm{563}}^1$

素因数の和:1121

約数の個数: 80

約数和(自身を含む): 379053120

約数和(自身を除く): 247473264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 541, 563, 1082, 1126, 1623, 1689, 2164, 2252, 3246, 3378, 4328, 4504, 4869, 5067, 6492, 6756, 8656, 9008, 9738, 10134, 12984, 13512, 14607, 15201, 19476, 20268, 25968, 27024, 29214, 30402, 38952, 40536, 58428, 60804, 77904, 81072, 116856, 121608, 233712, 243216, 304583, 609166, 913749, 1218332, 1827498, 2436664, 2741247, 3654996, 4873328, 5482494, 7309992, 8223741, 10964988, 14619984, 16447482, 21929976, 32894964, 43859952, 65789928, 131579856]

約数ペア:

[(1, 131579856), (2, 65789928), (3, 43859952), (4, 32894964), (6, 21929976), (8, 16447482), (9, 14619984), (12, 10964988), (16, 8223741), (18, 7309992), (24, 5482494), (27, 4873328), (36, 3654996), (48, 2741247), (54, 2436664), (72, 1827498), (108, 1218332), (144, 913749), (216, 609166), (432, 304583), (541, 243216), (563, 233712), (1082, 121608), (1126, 116856), (1623, 81072), (1689, 77904), (2164, 60804), (2252, 58428), (3246, 40536), (3378, 38952), (4328, 30402), (4504, 29214), (4869, 27024), (5067, 25968), (6492, 20268), (6756, 19476), (8656, 15201), (9008, 14607), (9738, 13512), (10134, 12984)]