68839380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 209709864

約数和(自身を除く): 140870484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1361, 1405, 1686, 2529, 2722, 2810, 3372, 4083, 4215, 5058, 5444, 5620, 6805, 8166, 8430, 10116, 12249, 12645, 13610, 16332, 16860, 20415, 24498, 25290, 27220, 40830, 48996, 50580, 61245, 81660, 122490, 244980, 382441, 764882, 1147323, 1529764, 1912205, 2294646, 3441969, 3824410, 4589292, 5736615, 6883938, 7648820, 11473230, 13767876, 17209845, 22946460, 34419690, 68839380]

約数ペア:

[(1, 68839380), (2, 34419690), (3, 22946460), (4, 17209845), (5, 13767876), (6, 11473230), (9, 7648820), (10, 6883938), (12, 5736615), (15, 4589292), (18, 3824410), (20, 3441969), (30, 2294646), (36, 1912205), (45, 1529764), (60, 1147323), (90, 764882), (180, 382441), (281, 244980), (562, 122490), (843, 81660), (1124, 61245), (1361, 50580), (1405, 48996), (1686, 40830), (2529, 27220), (2722, 25290), (2810, 24498), (3372, 20415), (4083, 16860), (4215, 16332), (5058, 13610), (5444, 12645), (5620, 12249), (6805, 10116), (8166, 8430)]