51541020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1019}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 157051440

約数和(自身を除く): 105510420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1019, 1124, 1405, 1686, 2038, 2529, 2810, 3057, 3372, 4076, 4215, 5058, 5095, 5620, 6114, 8430, 9171, 10116, 10190, 12228, 12645, 15285, 16860, 18342, 20380, 25290, 30570, 36684, 45855, 50580, 61140, 91710, 183420, 286339, 572678, 859017, 1145356, 1431695, 1718034, 2577051, 2863390, 3436068, 4295085, 5154102, 5726780, 8590170, 10308204, 12885255, 17180340, 25770510, 51541020]

約数ペア:

[(1, 51541020), (2, 25770510), (3, 17180340), (4, 12885255), (5, 10308204), (6, 8590170), (9, 5726780), (10, 5154102), (12, 4295085), (15, 3436068), (18, 2863390), (20, 2577051), (30, 1718034), (36, 1431695), (45, 1145356), (60, 859017), (90, 572678), (180, 286339), (281, 183420), (562, 91710), (843, 61140), (1019, 50580), (1124, 45855), (1405, 36684), (1686, 30570), (2038, 25290), (2529, 20380), (2810, 18342), (3057, 16860), (3372, 15285), (4076, 12645), (4215, 12228), (5058, 10190), (5095, 10116), (5620, 9171), (6114, 8430)]