838238280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1635

約数の個数: 128

約数和(自身を含む): 2750284800

約数和(自身を除く): 1912046520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 691, 919, 1320, 1382, 1838, 2073, 2757, 2764, 3455, 3676, 4146, 4595, 5514, 5528, 6910, 7352, 7601, 8292, 9190, 10109, 10365, 11028, 13785, 13820, 15202, 16584, 18380, 20218, 20730, 22056, 22803, 27570, 27640, 30327, 30404, 36760, 38005, 40436, 41460, 45606, 50545, 55140, 60654, 60808, 76010, 80872, 82920, 91212, 101090, 110280, 114015, 121308, 151635, 152020, 182424, 202180, 228030, 242616, 303270, 304040, 404360, 456060, 606540, 635029, 912120, 1213080, 1270058, 1905087, 2540116, 3175145, 3810174, 5080232, 6350290, 6985319, 7620348, 9525435, 12700580, 13970638, 15240696, 19050870, 20955957, 25401160, 27941276, 34926595, 38101740, 41911914, 55882552, 69853190, 76203480, 83823828, 104779785, 139706380, 167647656, 209559570, 279412760, 419119140, 838238280]

約数ペア:

[(1, 838238280), (2, 419119140), (3, 279412760), (4, 209559570), (5, 167647656), (6, 139706380), (8, 104779785), (10, 83823828), (11, 76203480), (12, 69853190), (15, 55882552), (20, 41911914), (22, 38101740), (24, 34926595), (30, 27941276), (33, 25401160), (40, 20955957), (44, 19050870), (55, 15240696), (60, 13970638), (66, 12700580), (88, 9525435), (110, 7620348), (120, 6985319), (132, 6350290), (165, 5080232), (220, 3810174), (264, 3175145), (330, 2540116), (440, 1905087), (660, 1270058), (691, 1213080), (919, 912120), (1320, 635029), (1382, 606540), (1838, 456060), (2073, 404360), (2757, 304040), (2764, 303270), (3455, 242616), (3676, 228030), (4146, 202180), (4595, 182424), (5514, 152020), (5528, 151635), (6910, 121308), (7352, 114015), (7601, 110280), (8292, 101090), (9190, 91212), (10109, 82920), (10365, 80872), (11028, 76010), (13785, 60808), (13820, 60654), (15202, 55140), (16584, 50545), (18380, 45606), (20218, 41460), (20730, 40436), (22056, 38005), (22803, 36760), (27570, 30404), (27640, 30327)]