121920640

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6569}}^1$

素因数の和:6617

約数の個数: 64

約数和(自身を含む): 301563000

約数和(自身を除く): 179642360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 6569, 9280, 13138, 18560, 26276, 32845, 52552, 65690, 105104, 131380, 190501, 210208, 262760, 381002, 420416, 525520, 762004, 840832, 952505, 1051040, 1524008, 1905010, 2102080, 3048016, 3810020, 4204160, 6096032, 7620040, 12192064, 15240080, 24384128, 30480160, 60960320, 121920640]

約数ペア:

[(1, 121920640), (2, 60960320), (4, 30480160), (5, 24384128), (8, 15240080), (10, 12192064), (16, 7620040), (20, 6096032), (29, 4204160), (32, 3810020), (40, 3048016), (58, 2102080), (64, 1905010), (80, 1524008), (116, 1051040), (128, 952505), (145, 840832), (160, 762004), (232, 525520), (290, 420416), (320, 381002), (464, 262760), (580, 210208), (640, 190501), (928, 131380), (1160, 105104), (1856, 65690), (2320, 52552), (3712, 32845), (4640, 26276), (6569, 18560), (9280, 13138)]