76720428

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 205405200

約数和(自身を除く): 128684772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 516, 522, 774, 1044, 1247, 1548, 1709, 2494, 3418, 3741, 4988, 5127, 6836, 7482, 10254, 11223, 14964, 15381, 20508, 22446, 30762, 44892, 49561, 61524, 73487, 99122, 146974, 148683, 198244, 220461, 293948, 297366, 440922, 446049, 594732, 661383, 881844, 892098, 1322766, 1784196, 2131123, 2645532, 4262246, 6393369, 8524492, 12786738, 19180107, 25573476, 38360214, 76720428]

約数ペア:

[(1, 76720428), (2, 38360214), (3, 25573476), (4, 19180107), (6, 12786738), (9, 8524492), (12, 6393369), (18, 4262246), (29, 2645532), (36, 2131123), (43, 1784196), (58, 1322766), (86, 892098), (87, 881844), (116, 661383), (129, 594732), (172, 446049), (174, 440922), (258, 297366), (261, 293948), (348, 220461), (387, 198244), (516, 148683), (522, 146974), (774, 99122), (1044, 73487), (1247, 61524), (1548, 49561), (1709, 44892), (2494, 30762), (3418, 22446), (3741, 20508), (4988, 15381), (5127, 14964), (6836, 11223), (7482, 10254)]