228663960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 790110720

約数和(自身を除く): 561446760

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, 1918, 1987, 2055, 2740, 2877, 3288, 3836, 3974, 4110, 4795, 5480, 5754, 5961, 7672, 7948, 8220, 9590, 9935, 11508, 11922, 13909, 14385, 15896, 16440, 19180, 19870, 23016, 23844, 27818, 28770, 29805, 38360, 39740, 41727, 47688, 55636, 57540, 59610, 69545, 79480, 83454, 111272, 115080, 119220, 139090, 166908, 208635, 238440, 272219, 278180, 333816, 417270, 544438, 556360, 816657, 834540, 1088876, 1361095, 1633314, 1669080, 1905533, 2177752, 2722190, 3266628, 3811066, 4083285, 5444380, 5716599, 6533256, 7622132, 8166570, 9527665, 10888760, 11433198, 15244264, 16333140, 19055330, 22866396, 28582995, 32666280, 38110660, 45732792, 57165990, 76221320, 114331980, 228663960]

約数ペア:

[(1, 228663960), (2, 114331980), (3, 76221320), (4, 57165990), (5, 45732792), (6, 38110660), (7, 32666280), (8, 28582995), (10, 22866396), (12, 19055330), (14, 16333140), (15, 15244264), (20, 11433198), (21, 10888760), (24, 9527665), (28, 8166570), (30, 7622132), (35, 6533256), (40, 5716599), (42, 5444380), (56, 4083285), (60, 3811066), (70, 3266628), (84, 2722190), (105, 2177752), (120, 1905533), (137, 1669080), (140, 1633314), (168, 1361095), (210, 1088876), (274, 834540), (280, 816657), (411, 556360), (420, 544438), (548, 417270), (685, 333816), (822, 278180), (840, 272219), (959, 238440), (1096, 208635), (1370, 166908), (1644, 139090), (1918, 119220), (1987, 115080), (2055, 111272), (2740, 83454), (2877, 79480), (3288, 69545), (3836, 59610), (3974, 57540), (4110, 55636), (4795, 47688), (5480, 41727), (5754, 39740), (5961, 38360), (7672, 29805), (7948, 28770), (8220, 27818), (9590, 23844), (9935, 23016), (11508, 19870), (11922, 19180), (13909, 16440), (14385, 15896)]