28374360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2025

約数の個数: 128

約数和(自身を含む): 103057920

約数和(自身を除く): 74683560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 1987, 2040, 2380, 2856, 3570, 3974, 4760, 5961, 7140, 7948, 9935, 11922, 13909, 14280, 15896, 19870, 23844, 27818, 29805, 33779, 39740, 41727, 47688, 55636, 59610, 67558, 69545, 79480, 83454, 101337, 111272, 119220, 135116, 139090, 166908, 168895, 202674, 208635, 236453, 238440, 270232, 278180, 333816, 337790, 405348, 417270, 472906, 506685, 556360, 675580, 709359, 810696, 834540, 945812, 1013370, 1182265, 1351160, 1418718, 1669080, 1891624, 2026740, 2364530, 2837436, 3546795, 4053480, 4729060, 5674872, 7093590, 9458120, 14187180, 28374360]

約数ペア:

[(1, 28374360), (2, 14187180), (3, 9458120), (4, 7093590), (5, 5674872), (6, 4729060), (7, 4053480), (8, 3546795), (10, 2837436), (12, 2364530), (14, 2026740), (15, 1891624), (17, 1669080), (20, 1418718), (21, 1351160), (24, 1182265), (28, 1013370), (30, 945812), (34, 834540), (35, 810696), (40, 709359), (42, 675580), (51, 556360), (56, 506685), (60, 472906), (68, 417270), (70, 405348), (84, 337790), (85, 333816), (102, 278180), (105, 270232), (119, 238440), (120, 236453), (136, 208635), (140, 202674), (168, 168895), (170, 166908), (204, 139090), (210, 135116), (238, 119220), (255, 111272), (280, 101337), (340, 83454), (357, 79480), (408, 69545), (420, 67558), (476, 59610), (510, 55636), (595, 47688), (680, 41727), (714, 39740), (840, 33779), (952, 29805), (1020, 27818), (1190, 23844), (1428, 19870), (1785, 15896), (1987, 14280), (2040, 13909), (2380, 11922), (2856, 9935), (3570, 7948), (3974, 7140), (4760, 5961)]