42561540

素因数分解:

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

素因数の和:2026

約数の個数: 144

約数和(自身を含む): 156304512

約数和(自身を除く): 113742972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1987, 2142, 2380, 3060, 3570, 3974, 4284, 5355, 5961, 7140, 7948, 9935, 10710, 11922, 13909, 17883, 19870, 21420, 23844, 27818, 29805, 33779, 35766, 39740, 41727, 55636, 59610, 67558, 69545, 71532, 83454, 89415, 101337, 119220, 125181, 135116, 139090, 166908, 168895, 178830, 202674, 208635, 236453, 250362, 278180, 304011, 337790, 357660, 405348, 417270, 472906, 500724, 506685, 608022, 625905, 675580, 709359, 834540, 945812, 1013370, 1182265, 1216044, 1251810, 1418718, 1520055, 2026740, 2128077, 2364530, 2503620, 2837436, 3040110, 3546795, 4256154, 4729060, 6080220, 7093590, 8512308, 10640385, 14187180, 21280770, 42561540]

約数ペア:

[(1, 42561540), (2, 21280770), (3, 14187180), (4, 10640385), (5, 8512308), (6, 7093590), (7, 6080220), (9, 4729060), (10, 4256154), (12, 3546795), (14, 3040110), (15, 2837436), (17, 2503620), (18, 2364530), (20, 2128077), (21, 2026740), (28, 1520055), (30, 1418718), (34, 1251810), (35, 1216044), (36, 1182265), (42, 1013370), (45, 945812), (51, 834540), (60, 709359), (63, 675580), (68, 625905), (70, 608022), (84, 506685), (85, 500724), (90, 472906), (102, 417270), (105, 405348), (119, 357660), (126, 337790), (140, 304011), (153, 278180), (170, 250362), (180, 236453), (204, 208635), (210, 202674), (238, 178830), (252, 168895), (255, 166908), (306, 139090), (315, 135116), (340, 125181), (357, 119220), (420, 101337), (476, 89415), (510, 83454), (595, 71532), (612, 69545), (630, 67558), (714, 59610), (765, 55636), (1020, 41727), (1071, 39740), (1190, 35766), (1260, 33779), (1428, 29805), (1530, 27818), (1785, 23844), (1987, 21420), (2142, 19870), (2380, 17883), (3060, 13909), (3570, 11922), (3974, 10710), (4284, 9935), (5355, 7948), (5961, 7140)]