243691840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{108791}}^1$

素因数の和:108815

約数の個数: 56

約数和(自身を含む): 663196032

約数和(自身を除く): 419504192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 108791, 217582, 435164, 543955, 761537, 870328, 1087910, 1523074, 1740656, 2175820, 3046148, 3481312, 3807685, 4351640, 6092296, 6962624, 7615370, 8703280, 12184592, 15230740, 17406560, 24369184, 30461480, 34813120, 48738368, 60922960, 121845920, 243691840]

約数ペア:

[(1, 243691840), (2, 121845920), (4, 60922960), (5, 48738368), (7, 34813120), (8, 30461480), (10, 24369184), (14, 17406560), (16, 15230740), (20, 12184592), (28, 8703280), (32, 7615370), (35, 6962624), (40, 6092296), (56, 4351640), (64, 3807685), (70, 3481312), (80, 3046148), (112, 2175820), (140, 1740656), (160, 1523074), (224, 1087910), (280, 870328), (320, 761537), (448, 543955), (560, 435164), (1120, 217582), (2240, 108791)]