215544840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1873}}^1$

素因数の和:2031

約数の個数: 128

約数和(自身を含む): 744802560

約数和(自身を除く): 529257720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 685, 822, 840, 959, 1096, 1370, 1644, 1873, 1918, 2055, 2740, 2877, 3288, 3746, 3836, 4110, 4795, 5480, 5619, 5754, 7492, 7672, 8220, 9365, 9590, 11238, 11508, 13111, 14385, 14984, 16440, 18730, 19180, 22476, 23016, 26222, 28095, 28770, 37460, 38360, 39333, 44952, 52444, 56190, 57540, 65555, 74920, 78666, 104888, 112380, 115080, 131110, 157332, 196665, 224760, 256601, 262220, 314664, 393330, 513202, 524440, 769803, 786660, 1026404, 1283005, 1539606, 1573320, 1796207, 2052808, 2566010, 3079212, 3592414, 3849015, 5132020, 5388621, 6158424, 7184828, 7698030, 8981035, 10264040, 10777242, 14369656, 15396060, 17962070, 21554484, 26943105, 30792120, 35924140, 43108968, 53886210, 71848280, 107772420, 215544840]

約数ペア:

[(1, 215544840), (2, 107772420), (3, 71848280), (4, 53886210), (5, 43108968), (6, 35924140), (7, 30792120), (8, 26943105), (10, 21554484), (12, 17962070), (14, 15396060), (15, 14369656), (20, 10777242), (21, 10264040), (24, 8981035), (28, 7698030), (30, 7184828), (35, 6158424), (40, 5388621), (42, 5132020), (56, 3849015), (60, 3592414), (70, 3079212), (84, 2566010), (105, 2052808), (120, 1796207), (137, 1573320), (140, 1539606), (168, 1283005), (210, 1026404), (274, 786660), (280, 769803), (411, 524440), (420, 513202), (548, 393330), (685, 314664), (822, 262220), (840, 256601), (959, 224760), (1096, 196665), (1370, 157332), (1644, 131110), (1873, 115080), (1918, 112380), (2055, 104888), (2740, 78666), (2877, 74920), (3288, 65555), (3746, 57540), (3836, 56190), (4110, 52444), (4795, 44952), (5480, 39333), (5619, 38360), (5754, 37460), (7492, 28770), (7672, 28095), (8220, 26222), (9365, 23016), (9590, 22476), (11238, 19180), (11508, 18730), (13111, 16440), (14385, 14984)]