68637420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{381319}}^1$

素因数の和:381334

約数の個数: 36

約数和(自身を含む): 208200720

約数和(自身を除く): 139563300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 381319, 762638, 1143957, 1525276, 1906595, 2287914, 3431871, 3813190, 4575828, 5719785, 6863742, 7626380, 11439570, 13727484, 17159355, 22879140, 34318710, 68637420]

約数ペア:

[(1, 68637420), (2, 34318710), (3, 22879140), (4, 17159355), (5, 13727484), (6, 11439570), (9, 7626380), (10, 6863742), (12, 5719785), (15, 4575828), (18, 3813190), (20, 3431871), (30, 2287914), (36, 1906595), (45, 1525276), (60, 1143957), (90, 762638), (180, 381319)]