640110420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3556169}}^1$

素因数の和:3556184

約数の個数: 36

約数和(自身を含む): 1941668820

約数和(自身を除く): 1301558400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3556169, 7112338, 10668507, 14224676, 17780845, 21337014, 32005521, 35561690, 42674028, 53342535, 64011042, 71123380, 106685070, 128022084, 160027605, 213370140, 320055210, 640110420]

約数ペア:

[(1, 640110420), (2, 320055210), (3, 213370140), (4, 160027605), (5, 128022084), (6, 106685070), (9, 71123380), (10, 64011042), (12, 53342535), (15, 42674028), (18, 35561690), (20, 32005521), (30, 21337014), (36, 17780845), (45, 14224676), (60, 10668507), (90, 7112338), (180, 3556169)]