128898864

素因数分解:

$2^4\times 3^6\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 140

約数和(自身を含む): 384639816

約数和(自身を除く): 255740952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 81, 86, 108, 129, 144, 162, 172, 216, 243, 257, 258, 324, 344, 387, 432, 486, 514, 516, 648, 688, 729, 771, 774, 972, 1028, 1032, 1161, 1296, 1458, 1542, 1548, 1944, 2056, 2064, 2313, 2322, 2916, 3084, 3096, 3483, 3888, 4112, 4626, 4644, 5832, 6168, 6192, 6939, 6966, 9252, 9288, 10449, 11051, 11664, 12336, 13878, 13932, 18504, 18576, 20817, 20898, 22102, 27756, 27864, 31347, 33153, 37008, 41634, 41796, 44204, 55512, 55728, 62451, 62694, 66306, 83268, 83592, 88408, 99459, 111024, 124902, 125388, 132612, 166536, 167184, 176816, 187353, 198918, 249804, 250776, 265224, 298377, 333072, 374706, 397836, 499608, 501552, 530448, 596754, 749412, 795672, 895131, 999216, 1193508, 1498824, 1591344, 1790262, 2387016, 2685393, 2997648, 3580524, 4774032, 5370786, 7161048, 8056179, 10741572, 14322096, 16112358, 21483144, 32224716, 42966288, 64449432, 128898864]

約数ペア:

[(1, 128898864), (2, 64449432), (3, 42966288), (4, 32224716), (6, 21483144), (8, 16112358), (9, 14322096), (12, 10741572), (16, 8056179), (18, 7161048), (24, 5370786), (27, 4774032), (36, 3580524), (43, 2997648), (48, 2685393), (54, 2387016), (72, 1790262), (81, 1591344), (86, 1498824), (108, 1193508), (129, 999216), (144, 895131), (162, 795672), (172, 749412), (216, 596754), (243, 530448), (257, 501552), (258, 499608), (324, 397836), (344, 374706), (387, 333072), (432, 298377), (486, 265224), (514, 250776), (516, 249804), (648, 198918), (688, 187353), (729, 176816), (771, 167184), (774, 166536), (972, 132612), (1028, 125388), (1032, 124902), (1161, 111024), (1296, 99459), (1458, 88408), (1542, 83592), (1548, 83268), (1944, 66306), (2056, 62694), (2064, 62451), (2313, 55728), (2322, 55512), (2916, 44204), (3084, 41796), (3096, 41634), (3483, 37008), (3888, 33153), (4112, 31347), (4626, 27864), (4644, 27756), (5832, 22102), (6168, 20898), (6192, 20817), (6939, 18576), (6966, 18504), (9252, 13932), (9288, 13878), (10449, 12336), (11051, 11664)]