78220980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{434561}}^1$

素因数の和:434576

約数の個数: 36

約数和(自身を含む): 237270852

約数和(自身を除く): 159049872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 434561, 869122, 1303683, 1738244, 2172805, 2607366, 3911049, 4345610, 5214732, 6518415, 7822098, 8691220, 13036830, 15644196, 19555245, 26073660, 39110490, 78220980]

約数ペア:

[(1, 78220980), (2, 39110490), (3, 26073660), (4, 19555245), (5, 15644196), (6, 13036830), (9, 8691220), (10, 7822098), (12, 6518415), (15, 5214732), (18, 4345610), (20, 3911049), (30, 2607366), (36, 2172805), (45, 1738244), (60, 1303683), (90, 869122), (180, 434561)]