68668005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 130277376

約数和(自身を除く): 61609371

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 71, 105, 151, 183, 213, 305, 355, 427, 453, 497, 755, 915, 1057, 1065, 1281, 1491, 2135, 2265, 2485, 3171, 4331, 5285, 6405, 7455, 9211, 10721, 12993, 15855, 21655, 27633, 30317, 32163, 46055, 53605, 64477, 64965, 75047, 90951, 138165, 151585, 160815, 193431, 225141, 322385, 375235, 454755, 653981, 967155, 1125705, 1961943, 3269905, 4577867, 9809715, 13733601, 22889335, 68668005]

約数ペア:

[(1, 68668005), (3, 22889335), (5, 13733601), (7, 9809715), (15, 4577867), (21, 3269905), (35, 1961943), (61, 1125705), (71, 967155), (105, 653981), (151, 454755), (183, 375235), (213, 322385), (305, 225141), (355, 193431), (427, 160815), (453, 151585), (497, 138165), (755, 90951), (915, 75047), (1057, 64965), (1065, 64477), (1281, 53605), (1491, 46055), (2135, 32163), (2265, 30317), (2485, 27633), (3171, 21655), (4331, 15855), (5285, 12993), (6405, 10721), (7455, 9211)]