2260720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 6571008

約数和(自身を除く): 4310288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 367, 385, 440, 560, 616, 734, 770, 880, 1232, 1468, 1540, 1835, 2569, 2936, 3080, 3670, 4037, 5138, 5872, 6160, 7340, 8074, 10276, 12845, 14680, 16148, 20185, 20552, 25690, 28259, 29360, 32296, 40370, 41104, 51380, 56518, 64592, 80740, 102760, 113036, 141295, 161480, 205520, 226072, 282590, 322960, 452144, 565180, 1130360, 2260720]

約数ペア:

[(1, 2260720), (2, 1130360), (4, 565180), (5, 452144), (7, 322960), (8, 282590), (10, 226072), (11, 205520), (14, 161480), (16, 141295), (20, 113036), (22, 102760), (28, 80740), (35, 64592), (40, 56518), (44, 51380), (55, 41104), (56, 40370), (70, 32296), (77, 29360), (80, 28259), (88, 25690), (110, 20552), (112, 20185), (140, 16148), (154, 14680), (176, 12845), (220, 10276), (280, 8074), (308, 7340), (367, 6160), (385, 5872), (440, 5138), (560, 4037), (616, 3670), (734, 3080), (770, 2936), (880, 2569), (1232, 1835), (1468, 1540)]