28360980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157561}}^1$

素因数の和:157576

約数の個数: 36

約数和(自身を含む): 86028852

約数和(自身を除く): 57667872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157561, 315122, 472683, 630244, 787805, 945366, 1418049, 1575610, 1890732, 2363415, 2836098, 3151220, 4726830, 5672196, 7090245, 9453660, 14180490, 28360980]

約数ペア:

[(1, 28360980), (2, 14180490), (3, 9453660), (4, 7090245), (5, 5672196), (6, 4726830), (9, 3151220), (10, 2836098), (12, 2363415), (15, 1890732), (18, 1575610), (20, 1418049), (30, 945366), (36, 787805), (45, 630244), (60, 472683), (90, 315122), (180, 157561)]