78490980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{436061}}^1$

素因数の和:436076

約数の個数: 36

約数和(自身を含む): 238089852

約数和(自身を除く): 159598872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 436061, 872122, 1308183, 1744244, 2180305, 2616366, 3924549, 4360610, 5232732, 6540915, 7849098, 8721220, 13081830, 15698196, 19622745, 26163660, 39245490, 78490980]

約数ペア:

[(1, 78490980), (2, 39245490), (3, 26163660), (4, 19622745), (5, 15698196), (6, 13081830), (9, 8721220), (10, 7849098), (12, 6540915), (15, 5232732), (18, 4360610), (20, 3924549), (30, 2616366), (36, 2180305), (45, 1744244), (60, 1308183), (90, 872122), (180, 436061)]