91221320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 218920320

約数和(自身を除く): 127699000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 823, 1304, 1630, 1646, 2771, 3260, 3292, 4115, 5542, 6520, 6584, 8230, 11084, 13855, 13991, 16460, 22168, 27710, 27982, 32920, 55420, 55964, 69955, 110840, 111928, 134149, 139910, 268298, 279820, 536596, 559640, 670745, 1073192, 1341490, 2280533, 2682980, 4561066, 5365960, 9122132, 11402665, 18244264, 22805330, 45610660, 91221320]

約数ペア:

[(1, 91221320), (2, 45610660), (4, 22805330), (5, 18244264), (8, 11402665), (10, 9122132), (17, 5365960), (20, 4561066), (34, 2682980), (40, 2280533), (68, 1341490), (85, 1073192), (136, 670745), (163, 559640), (170, 536596), (326, 279820), (340, 268298), (652, 139910), (680, 134149), (815, 111928), (823, 110840), (1304, 69955), (1630, 55964), (1646, 55420), (2771, 32920), (3260, 27982), (3292, 27710), (4115, 22168), (5542, 16460), (6520, 13991), (6584, 13855), (8230, 11084)]