1855421920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1097}}^1$

素因数の和:1185

約数の個数: 144

約数和(自身を含む): 4945664304

約数和(自身を除く): 3090242384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 496, 620, 682, 880, 961, 992, 1097, 1240, 1364, 1705, 1760, 1922, 2194, 2480, 2728, 3410, 3844, 4388, 4805, 4960, 5456, 5485, 6820, 7688, 8776, 9610, 10571, 10912, 10970, 12067, 13640, 15376, 17552, 19220, 21142, 21940, 24134, 27280, 30752, 34007, 35104, 38440, 42284, 43880, 48268, 52855, 54560, 60335, 68014, 76880, 84568, 87760, 96536, 105710, 120670, 136028, 153760, 169136, 170035, 175520, 193072, 211420, 241340, 272056, 338272, 340070, 374077, 386144, 422840, 482680, 544112, 680140, 748154, 845680, 965360, 1054217, 1088224, 1360280, 1496308, 1691360, 1870385, 1930720, 2108434, 2720560, 2992616, 3740770, 4216868, 5271085, 5441120, 5985232, 7481540, 8433736, 10542170, 11596387, 11970464, 14963080, 16867472, 21084340, 23192774, 29926160, 33734944, 42168680, 46385548, 57981935, 59852320, 84337360, 92771096, 115963870, 168674720, 185542192, 231927740, 371084384, 463855480, 927710960, 1855421920]

約数ペア:

[(1, 1855421920), (2, 927710960), (4, 463855480), (5, 371084384), (8, 231927740), (10, 185542192), (11, 168674720), (16, 115963870), (20, 92771096), (22, 84337360), (31, 59852320), (32, 57981935), (40, 46385548), (44, 42168680), (55, 33734944), (62, 29926160), (80, 23192774), (88, 21084340), (110, 16867472), (124, 14963080), (155, 11970464), (160, 11596387), (176, 10542170), (220, 8433736), (248, 7481540), (310, 5985232), (341, 5441120), (352, 5271085), (440, 4216868), (496, 3740770), (620, 2992616), (682, 2720560), (880, 2108434), (961, 1930720), (992, 1870385), (1097, 1691360), (1240, 1496308), (1364, 1360280), (1705, 1088224), (1760, 1054217), (1922, 965360), (2194, 845680), (2480, 748154), (2728, 680140), (3410, 544112), (3844, 482680), (4388, 422840), (4805, 386144), (4960, 374077), (5456, 340070), (5485, 338272), (6820, 272056), (7688, 241340), (8776, 211420), (9610, 193072), (10571, 175520), (10912, 170035), (10970, 169136), (12067, 153760), (13640, 136028), (15376, 120670), (17552, 105710), (19220, 96536), (21142, 87760), (21940, 84568), (24134, 76880), (27280, 68014), (30752, 60335), (34007, 54560), (35104, 52855), (38440, 48268), (42284, 43880)]