2987654880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6397}}^1$

素因数の和:6561

約数の個数: 192

約数和(自身を含む): 10834629120

約数和(自身を除く): 7846974240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 139, 140, 160, 168, 210, 224, 240, 278, 280, 336, 417, 420, 480, 556, 560, 672, 695, 834, 840, 973, 1112, 1120, 1390, 1668, 1680, 1946, 2085, 2224, 2780, 2919, 3336, 3360, 3892, 4170, 4448, 4865, 5560, 5838, 6397, 6672, 7784, 8340, 9730, 11120, 11676, 12794, 13344, 14595, 15568, 16680, 19191, 19460, 22240, 23352, 25588, 29190, 31136, 31985, 33360, 38382, 38920, 44779, 46704, 51176, 58380, 63970, 66720, 76764, 77840, 89558, 93408, 95955, 102352, 116760, 127940, 134337, 153528, 155680, 179116, 191910, 204704, 223895, 233520, 255880, 268674, 307056, 358232, 383820, 447790, 467040, 511760, 537348, 614112, 671685, 716464, 767640, 889183, 895580, 1023520, 1074696, 1343370, 1432928, 1535280, 1778366, 1791160, 2149392, 2667549, 2686740, 3070560, 3556732, 3582320, 4298784, 4445915, 5335098, 5373480, 6224281, 7113464, 7164640, 8891830, 10670196, 10746960, 12448562, 13337745, 14226928, 17783660, 18672843, 21340392, 21493920, 24897124, 26675490, 28453856, 31121405, 35567320, 37345686, 42680784, 49794248, 53350980, 62242810, 71134640, 74691372, 85361568, 93364215, 99588496, 106701960, 124485620, 142269280, 149382744, 186728430, 199176992, 213403920, 248971240, 298765488, 373456860, 426807840, 497942480, 597530976, 746913720, 995884960, 1493827440, 2987654880]

約数ペア:

[(1, 2987654880), (2, 1493827440), (3, 995884960), (4, 746913720), (5, 597530976), (6, 497942480), (7, 426807840), (8, 373456860), (10, 298765488), (12, 248971240), (14, 213403920), (15, 199176992), (16, 186728430), (20, 149382744), (21, 142269280), (24, 124485620), (28, 106701960), (30, 99588496), (32, 93364215), (35, 85361568), (40, 74691372), (42, 71134640), (48, 62242810), (56, 53350980), (60, 49794248), (70, 42680784), (80, 37345686), (84, 35567320), (96, 31121405), (105, 28453856), (112, 26675490), (120, 24897124), (139, 21493920), (140, 21340392), (160, 18672843), (168, 17783660), (210, 14226928), (224, 13337745), (240, 12448562), (278, 10746960), (280, 10670196), (336, 8891830), (417, 7164640), (420, 7113464), (480, 6224281), (556, 5373480), (560, 5335098), (672, 4445915), (695, 4298784), (834, 3582320), (840, 3556732), (973, 3070560), (1112, 2686740), (1120, 2667549), (1390, 2149392), (1668, 1791160), (1680, 1778366), (1946, 1535280), (2085, 1432928), (2224, 1343370), (2780, 1074696), (2919, 1023520), (3336, 895580), (3360, 889183), (3892, 767640), (4170, 716464), (4448, 671685), (4865, 614112), (5560, 537348), (5838, 511760), (6397, 467040), (6672, 447790), (7784, 383820), (8340, 358232), (9730, 307056), (11120, 268674), (11676, 255880), (12794, 233520), (13344, 223895), (14595, 204704), (15568, 191910), (16680, 179116), (19191, 155680), (19460, 153528), (22240, 134337), (23352, 127940), (25588, 116760), (29190, 102352), (31136, 95955), (31985, 93408), (33360, 89558), (38382, 77840), (38920, 76764), (44779, 66720), (46704, 63970), (51176, 58380)]