84751280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 205058304

約数和(自身を除く): 120307024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 347, 355, 430, 568, 688, 694, 710, 860, 1136, 1388, 1420, 1720, 1735, 2776, 2840, 3053, 3440, 3470, 5552, 5680, 6106, 6940, 12212, 13880, 14921, 15265, 24424, 24637, 27760, 29842, 30530, 48848, 49274, 59684, 61060, 74605, 98548, 119368, 122120, 123185, 149210, 197096, 238736, 244240, 246370, 298420, 394192, 492740, 596840, 985480, 1059391, 1193680, 1970960, 2118782, 4237564, 5296955, 8475128, 10593910, 16950256, 21187820, 42375640, 84751280]

約数ペア:

[(1, 84751280), (2, 42375640), (4, 21187820), (5, 16950256), (8, 10593910), (10, 8475128), (16, 5296955), (20, 4237564), (40, 2118782), (43, 1970960), (71, 1193680), (80, 1059391), (86, 985480), (142, 596840), (172, 492740), (215, 394192), (284, 298420), (344, 246370), (347, 244240), (355, 238736), (430, 197096), (568, 149210), (688, 123185), (694, 122120), (710, 119368), (860, 98548), (1136, 74605), (1388, 61060), (1420, 59684), (1720, 49274), (1735, 48848), (2776, 30530), (2840, 29842), (3053, 27760), (3440, 24637), (3470, 24424), (5552, 15265), (5680, 14921), (6106, 13880), (6940, 12212)]