220553640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{612649}}^1$

素因数の和:612666

約数の個数: 48

約数和(自身を含む): 716800500

約数和(自身を除く): 496246860

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, 612649, 1225298, 1837947, 2450596, 3063245, 3675894, 4901192, 5513841, 6126490, 7351788, 9189735, 11027682, 12252980, 14703576, 18379470, 22055364, 24505960, 27569205, 36758940, 44110728, 55138410, 73517880, 110276820, 220553640]

約数ペア:

[(1, 220553640), (2, 110276820), (3, 73517880), (4, 55138410), (5, 44110728), (6, 36758940), (8, 27569205), (9, 24505960), (10, 22055364), (12, 18379470), (15, 14703576), (18, 12252980), (20, 11027682), (24, 9189735), (30, 7351788), (36, 6126490), (40, 5513841), (45, 4901192), (60, 3675894), (72, 3063245), (90, 2450596), (120, 1837947), (180, 1225298), (360, 612649)]