39896640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2009

約数の個数: 168

約数和(自身を含む): 156911040

約数和(自身を除く): 117014400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 1979, 2016, 2240, 2520, 2880, 3360, 3958, 4032, 5040, 5937, 6720, 7916, 9895, 10080, 11874, 13853, 15832, 17811, 19790, 20160, 23748, 27706, 29685, 31664, 35622, 39580, 41559, 47496, 55412, 59370, 63328, 69265, 71244, 79160, 83118, 89055, 94992, 110824, 118740, 124677, 126656, 138530, 142488, 158320, 166236, 178110, 189984, 207795, 221648, 237480, 249354, 277060, 284976, 316640, 332472, 356220, 379968, 415590, 443296, 474960, 498708, 554120, 569952, 623385, 633280, 664944, 712440, 831180, 886592, 949920, 997416, 1108240, 1139904, 1246770, 1329888, 1424880, 1662360, 1899840, 1994832, 2216480, 2493540, 2659776, 2849760, 3324720, 3989664, 4432960, 4987080, 5699520, 6649440, 7979328, 9974160, 13298880, 19948320, 39896640]

約数ペア:

[(1, 39896640), (2, 19948320), (3, 13298880), (4, 9974160), (5, 7979328), (6, 6649440), (7, 5699520), (8, 4987080), (9, 4432960), (10, 3989664), (12, 3324720), (14, 2849760), (15, 2659776), (16, 2493540), (18, 2216480), (20, 1994832), (21, 1899840), (24, 1662360), (28, 1424880), (30, 1329888), (32, 1246770), (35, 1139904), (36, 1108240), (40, 997416), (42, 949920), (45, 886592), (48, 831180), (56, 712440), (60, 664944), (63, 633280), (64, 623385), (70, 569952), (72, 554120), (80, 498708), (84, 474960), (90, 443296), (96, 415590), (105, 379968), (112, 356220), (120, 332472), (126, 316640), (140, 284976), (144, 277060), (160, 249354), (168, 237480), (180, 221648), (192, 207795), (210, 189984), (224, 178110), (240, 166236), (252, 158320), (280, 142488), (288, 138530), (315, 126656), (320, 124677), (336, 118740), (360, 110824), (420, 94992), (448, 89055), (480, 83118), (504, 79160), (560, 71244), (576, 69265), (630, 63328), (672, 59370), (720, 55412), (840, 47496), (960, 41559), (1008, 39580), (1120, 35622), (1260, 31664), (1344, 29685), (1440, 27706), (1680, 23748), (1979, 20160), (2016, 19790), (2240, 17811), (2520, 15832), (2880, 13853), (3360, 11874), (3958, 10080), (4032, 9895), (5040, 7916), (5937, 6720)]