217673640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{604649}}^1$

素因数の和:604666

約数の個数: 48

約数和(自身を含む): 707440500

約数和(自身を除く): 489766860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 604649, 1209298, 1813947, 2418596, 3023245, 3627894, 4837192, 5441841, 6046490, 7255788, 9069735, 10883682, 12092980, 14511576, 18139470, 21767364, 24185960, 27209205, 36278940, 43534728, 54418410, 72557880, 108836820, 217673640]

約数ペア:

[(1, 217673640), (2, 108836820), (3, 72557880), (4, 54418410), (5, 43534728), (6, 36278940), (8, 27209205), (9, 24185960), (10, 21767364), (12, 18139470), (15, 14511576), (18, 12092980), (20, 10883682), (24, 9069735), (30, 7255788), (36, 6046490), (40, 5441841), (45, 4837192), (60, 3627894), (72, 3023245), (90, 2418596), (120, 1813947), (180, 1209298), (360, 604649)]