320809212

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 830583936

約数和(自身を除く): 509774724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 277, 318, 477, 554, 607, 636, 831, 954, 1108, 1214, 1662, 1821, 1908, 2428, 2493, 3324, 3642, 4986, 5463, 7284, 9972, 10926, 14681, 21852, 29362, 32171, 44043, 58724, 64342, 88086, 96513, 128684, 132129, 168139, 176172, 193026, 264258, 289539, 336278, 386052, 504417, 528516, 579078, 672556, 1008834, 1158156, 1513251, 2017668, 3026502, 6053004, 8911367, 17822734, 26734101, 35645468, 53468202, 80202303, 106936404, 160404606, 320809212]

約数ペア:

[(1, 320809212), (2, 160404606), (3, 106936404), (4, 80202303), (6, 53468202), (9, 35645468), (12, 26734101), (18, 17822734), (36, 8911367), (53, 6053004), (106, 3026502), (159, 2017668), (212, 1513251), (277, 1158156), (318, 1008834), (477, 672556), (554, 579078), (607, 528516), (636, 504417), (831, 386052), (954, 336278), (1108, 289539), (1214, 264258), (1662, 193026), (1821, 176172), (1908, 168139), (2428, 132129), (2493, 128684), (3324, 96513), (3642, 88086), (4986, 64342), (5463, 58724), (7284, 44043), (9972, 32171), (10926, 29362), (14681, 21852)]