156820720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280037}}^1$

素因数の和:280057

約数の個数: 40

約数和(自身を含む): 416696544

約数和(自身を除く): 259875824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280037, 560074, 1120148, 1400185, 1960259, 2240296, 2800370, 3920518, 4480592, 5600740, 7841036, 9801295, 11201480, 15682072, 19602590, 22402960, 31364144, 39205180, 78410360, 156820720]

約数ペア:

[(1, 156820720), (2, 78410360), (4, 39205180), (5, 31364144), (7, 22402960), (8, 19602590), (10, 15682072), (14, 11201480), (16, 9801295), (20, 7841036), (28, 5600740), (35, 4480592), (40, 3920518), (56, 2800370), (70, 2240296), (80, 1960259), (112, 1400185), (140, 1120148), (280, 560074), (560, 280037)]