81997140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29077}}^1$

素因数の和:29136

約数の個数: 48

約数和(自身を含む): 234484992

約数和(自身を除く): 152487852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 29077, 58154, 87231, 116308, 145385, 174462, 290770, 348924, 436155, 581540, 872310, 1366619, 1744620, 2733238, 4099857, 5466476, 6833095, 8199714, 13666190, 16399428, 20499285, 27332380, 40998570, 81997140]

約数ペア:

[(1, 81997140), (2, 40998570), (3, 27332380), (4, 20499285), (5, 16399428), (6, 13666190), (10, 8199714), (12, 6833095), (15, 5466476), (20, 4099857), (30, 2733238), (47, 1744620), (60, 1366619), (94, 872310), (141, 581540), (188, 436155), (235, 348924), (282, 290770), (470, 174462), (564, 145385), (705, 116308), (940, 87231), (1410, 58154), (2820, 29077)]