289720980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1609561}}^1$

素因数の和:1609576

約数の個数: 36

約数和(自身を含む): 878820852

約数和(自身を除く): 589099872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1609561, 3219122, 4828683, 6438244, 8047805, 9657366, 14486049, 16095610, 19314732, 24143415, 28972098, 32191220, 48286830, 57944196, 72430245, 96573660, 144860490, 289720980]

約数ペア:

[(1, 289720980), (2, 144860490), (3, 96573660), (4, 72430245), (5, 57944196), (6, 48286830), (9, 32191220), (10, 28972098), (12, 24143415), (15, 19314732), (18, 16095610), (20, 14486049), (30, 9657366), (36, 8047805), (45, 6438244), (60, 4828683), (90, 3219122), (180, 1609561)]