128742516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^2$

素因数の和:278

約数の個数: 108

約数和(自身を含む): 384095712

約数和(自身を除く): 255353196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 109, 126, 129, 172, 218, 252, 258, 301, 327, 387, 436, 516, 602, 654, 763, 774, 903, 981, 1204, 1308, 1526, 1548, 1806, 1962, 2289, 2709, 3052, 3612, 3924, 4578, 4687, 5418, 6867, 9156, 9374, 10836, 11881, 13734, 14061, 18748, 23762, 27468, 28122, 32809, 35643, 42183, 47524, 56244, 65618, 71286, 83167, 84366, 98427, 106929, 131236, 142572, 166334, 168732, 196854, 213858, 249501, 295281, 332668, 393708, 427716, 499002, 510883, 590562, 748503, 998004, 1021766, 1181124, 1497006, 1532649, 2043532, 2994012, 3065298, 3576181, 4597947, 6130596, 7152362, 9195894, 10728543, 14304724, 18391788, 21457086, 32185629, 42914172, 64371258, 128742516]

約数ペア:

[(1, 128742516), (2, 64371258), (3, 42914172), (4, 32185629), (6, 21457086), (7, 18391788), (9, 14304724), (12, 10728543), (14, 9195894), (18, 7152362), (21, 6130596), (28, 4597947), (36, 3576181), (42, 3065298), (43, 2994012), (63, 2043532), (84, 1532649), (86, 1497006), (109, 1181124), (126, 1021766), (129, 998004), (172, 748503), (218, 590562), (252, 510883), (258, 499002), (301, 427716), (327, 393708), (387, 332668), (436, 295281), (516, 249501), (602, 213858), (654, 196854), (763, 168732), (774, 166334), (903, 142572), (981, 131236), (1204, 106929), (1308, 98427), (1526, 84366), (1548, 83167), (1806, 71286), (1962, 65618), (2289, 56244), (2709, 47524), (3052, 42183), (3612, 35643), (3924, 32809), (4578, 28122), (4687, 27468), (5418, 23762), (6867, 18748), (9156, 14061), (9374, 13734), (10836, 11881)]