57405920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 161037072

約数和(自身を除く): 103631152

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 193, 208, 220, 260, 286, 338, 352, 386, 416, 440, 520, 572, 676, 715, 772, 845, 880, 965, 1040, 1144, 1352, 1430, 1544, 1690, 1760, 1859, 1930, 2080, 2123, 2288, 2509, 2704, 2860, 3088, 3380, 3718, 3860, 4246, 4576, 5018, 5408, 5720, 6176, 6760, 7436, 7720, 8492, 9295, 10036, 10615, 11440, 12545, 13520, 14872, 15440, 16984, 18590, 20072, 21230, 22880, 25090, 27040, 27599, 29744, 30880, 32617, 33968, 37180, 40144, 42460, 50180, 55198, 59488, 65234, 67936, 74360, 80288, 84920, 100360, 110396, 130468, 137995, 148720, 163085, 169840, 200720, 220792, 260936, 275990, 297440, 326170, 339680, 358787, 401440, 441584, 521872, 551980, 652340, 717574, 883168, 1043744, 1103960, 1304680, 1435148, 1793935, 2207920, 2609360, 2870296, 3587870, 4415840, 5218720, 5740592, 7175740, 11481184, 14351480, 28702960, 57405920]

約数ペア:

[(1, 57405920), (2, 28702960), (4, 14351480), (5, 11481184), (8, 7175740), (10, 5740592), (11, 5218720), (13, 4415840), (16, 3587870), (20, 2870296), (22, 2609360), (26, 2207920), (32, 1793935), (40, 1435148), (44, 1304680), (52, 1103960), (55, 1043744), (65, 883168), (80, 717574), (88, 652340), (104, 551980), (110, 521872), (130, 441584), (143, 401440), (160, 358787), (169, 339680), (176, 326170), (193, 297440), (208, 275990), (220, 260936), (260, 220792), (286, 200720), (338, 169840), (352, 163085), (386, 148720), (416, 137995), (440, 130468), (520, 110396), (572, 100360), (676, 84920), (715, 80288), (772, 74360), (845, 67936), (880, 65234), (965, 59488), (1040, 55198), (1144, 50180), (1352, 42460), (1430, 40144), (1544, 37180), (1690, 33968), (1760, 32617), (1859, 30880), (1930, 29744), (2080, 27599), (2123, 27040), (2288, 25090), (2509, 22880), (2704, 21230), (2860, 20072), (3088, 18590), (3380, 16984), (3718, 15440), (3860, 14872), (4246, 13520), (4576, 12545), (5018, 11440), (5408, 10615), (5720, 10036), (6176, 9295), (6760, 8492), (7436, 7720)]