212817780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^3\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 240

約数和(自身を含む): 780595200

約数和(自身を除く): 567777420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 343, 378, 383, 405, 420, 441, 490, 540, 567, 588, 630, 686, 735, 756, 766, 810, 882, 945, 980, 1029, 1134, 1149, 1260, 1323, 1372, 1470, 1532, 1620, 1715, 1764, 1890, 1915, 2058, 2205, 2268, 2298, 2646, 2681, 2835, 2940, 3087, 3430, 3447, 3780, 3830, 3969, 4116, 4410, 4596, 5145, 5292, 5362, 5670, 5745, 6174, 6615, 6860, 6894, 7660, 7938, 8043, 8820, 9261, 10290, 10341, 10724, 11340, 11490, 12348, 13230, 13405, 13788, 15435, 15876, 16086, 17235, 18522, 18767, 19845, 20580, 20682, 22980, 24129, 26460, 26810, 27783, 30870, 31023, 32172, 34470, 37044, 37534, 39690, 40215, 41364, 46305, 48258, 51705, 53620, 55566, 56301, 61740, 62046, 68940, 72387, 75068, 79380, 80430, 92610, 93835, 96516, 103410, 111132, 112602, 120645, 124092, 131369, 138915, 144774, 155115, 160860, 168903, 185220, 187670, 206820, 217161, 225204, 241290, 262738, 277830, 281505, 289548, 310230, 337806, 361935, 375340, 394107, 434322, 482580, 506709, 525476, 555660, 563010, 620460, 656845, 675612, 723870, 788214, 844515, 868644, 1013418, 1085805, 1126020, 1182321, 1313690, 1447740, 1520127, 1576428, 1689030, 1970535, 2026836, 2171610, 2364642, 2533545, 2627380, 3040254, 3378060, 3546963, 3941070, 4343220, 4729284, 5067090, 5911605, 6080508, 7093926, 7600635, 7882140, 10134180, 10640889, 11823210, 14187852, 15201270, 17734815, 21281778, 23646420, 30402540, 35469630, 42563556, 53204445, 70939260, 106408890, 212817780]

約数ペア:

[(1, 212817780), (2, 106408890), (3, 70939260), (4, 53204445), (5, 42563556), (6, 35469630), (7, 30402540), (9, 23646420), (10, 21281778), (12, 17734815), (14, 15201270), (15, 14187852), (18, 11823210), (20, 10640889), (21, 10134180), (27, 7882140), (28, 7600635), (30, 7093926), (35, 6080508), (36, 5911605), (42, 5067090), (45, 4729284), (49, 4343220), (54, 3941070), (60, 3546963), (63, 3378060), (70, 3040254), (81, 2627380), (84, 2533545), (90, 2364642), (98, 2171610), (105, 2026836), (108, 1970535), (126, 1689030), (135, 1576428), (140, 1520127), (147, 1447740), (162, 1313690), (180, 1182321), (189, 1126020), (196, 1085805), (210, 1013418), (245, 868644), (252, 844515), (270, 788214), (294, 723870), (315, 675612), (324, 656845), (343, 620460), (378, 563010), (383, 555660), (405, 525476), (420, 506709), (441, 482580), (490, 434322), (540, 394107), (567, 375340), (588, 361935), (630, 337806), (686, 310230), (735, 289548), (756, 281505), (766, 277830), (810, 262738), (882, 241290), (945, 225204), (980, 217161), (1029, 206820), (1134, 187670), (1149, 185220), (1260, 168903), (1323, 160860), (1372, 155115), (1470, 144774), (1532, 138915), (1620, 131369), (1715, 124092), (1764, 120645), (1890, 112602), (1915, 111132), (2058, 103410), (2205, 96516), (2268, 93835), (2298, 92610), (2646, 80430), (2681, 79380), (2835, 75068), (2940, 72387), (3087, 68940), (3430, 62046), (3447, 61740), (3780, 56301), (3830, 55566), (3969, 53620), (4116, 51705), (4410, 48258), (4596, 46305), (5145, 41364), (5292, 40215), (5362, 39690), (5670, 37534), (5745, 37044), (6174, 34470), (6615, 32172), (6860, 31023), (6894, 30870), (7660, 27783), (7938, 26810), (8043, 26460), (8820, 24129), (9261, 22980), (10290, 20682), (10341, 20580), (10724, 19845), (11340, 18767), (11490, 18522), (12348, 17235), (13230, 16086), (13405, 15876), (13788, 15435)]