212719920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1147

約数の個数: 160

約数和(自身を含む): 760332288

約数和(自身を除く): 547612368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 336, 381, 420, 508, 560, 635, 762, 840, 889, 997, 1016, 1270, 1524, 1680, 1778, 1905, 1994, 2032, 2540, 2667, 2991, 3048, 3556, 3810, 3988, 4445, 4985, 5080, 5334, 5982, 6096, 6979, 7112, 7620, 7976, 8890, 9970, 10160, 10668, 11964, 13335, 13958, 14224, 14955, 15240, 15952, 17780, 19940, 20937, 21336, 23928, 26670, 27916, 29910, 30480, 34895, 35560, 39880, 41874, 42672, 47856, 53340, 55832, 59820, 69790, 71120, 79760, 83748, 104685, 106680, 111664, 119640, 126619, 139580, 167496, 209370, 213360, 239280, 253238, 279160, 334992, 379857, 418740, 506476, 558320, 633095, 759714, 837480, 886333, 1012952, 1266190, 1519428, 1674960, 1772666, 1899285, 2025904, 2532380, 2658999, 3038856, 3545332, 3798570, 4431665, 5064760, 5317998, 6077712, 7090664, 7597140, 8863330, 10129520, 10635996, 13294995, 14181328, 15194280, 17726660, 21271992, 26589990, 30388560, 35453320, 42543984, 53179980, 70906640, 106359960, 212719920]

約数ペア:

[(1, 212719920), (2, 106359960), (3, 70906640), (4, 53179980), (5, 42543984), (6, 35453320), (7, 30388560), (8, 26589990), (10, 21271992), (12, 17726660), (14, 15194280), (15, 14181328), (16, 13294995), (20, 10635996), (21, 10129520), (24, 8863330), (28, 7597140), (30, 7090664), (35, 6077712), (40, 5317998), (42, 5064760), (48, 4431665), (56, 3798570), (60, 3545332), (70, 3038856), (80, 2658999), (84, 2532380), (105, 2025904), (112, 1899285), (120, 1772666), (127, 1674960), (140, 1519428), (168, 1266190), (210, 1012952), (240, 886333), (254, 837480), (280, 759714), (336, 633095), (381, 558320), (420, 506476), (508, 418740), (560, 379857), (635, 334992), (762, 279160), (840, 253238), (889, 239280), (997, 213360), (1016, 209370), (1270, 167496), (1524, 139580), (1680, 126619), (1778, 119640), (1905, 111664), (1994, 106680), (2032, 104685), (2540, 83748), (2667, 79760), (2991, 71120), (3048, 69790), (3556, 59820), (3810, 55832), (3988, 53340), (4445, 47856), (4985, 42672), (5080, 41874), (5334, 39880), (5982, 35560), (6096, 34895), (6979, 30480), (7112, 29910), (7620, 27916), (7976, 26670), (8890, 23928), (9970, 21336), (10160, 20937), (10668, 19940), (11964, 17780), (13335, 15952), (13958, 15240), (14224, 14955)]