168400728

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{18131}}^1$

素因数の和:18189

約数の個数: 64

約数和(自身を含む): 478684800

約数和(自身を除く): 310284072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2322, 3096, 4644, 9288, 18131, 36262, 54393, 72524, 108786, 145048, 163179, 217572, 326358, 435144, 489537, 652716, 779633, 979074, 1305432, 1559266, 1958148, 2338899, 3118532, 3916296, 4677798, 6237064, 7016697, 9355596, 14033394, 18711192, 21050091, 28066788, 42100182, 56133576, 84200364, 168400728]

約数ペア:

[(1, 168400728), (2, 84200364), (3, 56133576), (4, 42100182), (6, 28066788), (8, 21050091), (9, 18711192), (12, 14033394), (18, 9355596), (24, 7016697), (27, 6237064), (36, 4677798), (43, 3916296), (54, 3118532), (72, 2338899), (86, 1958148), (108, 1559266), (129, 1305432), (172, 979074), (216, 779633), (258, 652716), (344, 489537), (387, 435144), (516, 326358), (774, 217572), (1032, 163179), (1161, 145048), (1548, 108786), (2322, 72524), (3096, 54393), (4644, 36262), (9288, 18131)]