78686080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11177}}^1$

素因数の和:11207

約数の個数: 64

約数和(自身を含む): 205228080

約数和(自身を除く): 126542000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 11177, 22354, 44708, 55885, 89416, 111770, 122947, 178832, 223540, 245894, 357664, 447080, 491788, 614735, 715328, 894160, 983576, 1229470, 1430656, 1788320, 1967152, 2458940, 3576640, 3934304, 4917880, 7153280, 7868608, 9835760, 15737216, 19671520, 39343040, 78686080]

約数ペア:

[(1, 78686080), (2, 39343040), (4, 19671520), (5, 15737216), (8, 9835760), (10, 7868608), (11, 7153280), (16, 4917880), (20, 3934304), (22, 3576640), (32, 2458940), (40, 1967152), (44, 1788320), (55, 1430656), (64, 1229470), (80, 983576), (88, 894160), (110, 715328), (128, 614735), (160, 491788), (176, 447080), (220, 357664), (320, 245894), (352, 223540), (440, 178832), (640, 122947), (704, 111770), (880, 89416), (1408, 55885), (1760, 44708), (3520, 22354), (7040, 11177)]