681127440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3454

約数の個数: 240

約数和(自身を含む): 2601476352

約数和(自身を除く): 1920348912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1960, 2040, 2352, 2380, 2499, 2856, 2940, 3332, 3407, 3570, 3920, 4080, 4165, 4760, 4998, 5712, 5880, 6664, 6814, 7140, 8330, 9520, 9996, 10221, 11760, 12495, 13328, 13628, 14280, 16660, 17035, 19992, 20442, 23849, 24990, 27256, 28560, 33320, 34070, 39984, 40884, 47698, 49980, 51105, 54512, 57919, 66640, 68140, 71547, 81768, 95396, 99960, 102210, 115838, 119245, 136280, 143094, 163536, 166943, 173757, 190792, 199920, 204420, 231676, 238490, 272560, 286188, 289595, 333886, 347514, 357735, 381584, 405433, 408840, 463352, 476980, 500829, 572376, 579190, 667772, 695028, 715470, 810866, 817680, 834715, 868785, 926704, 953960, 1001658, 1144752, 1158380, 1216299, 1335544, 1390056, 1430940, 1621732, 1669430, 1737570, 1907920, 2003316, 2027165, 2316760, 2432598, 2504145, 2671088, 2780112, 2838031, 2861880, 3243464, 3338860, 3475140, 4006632, 4054330, 4633520, 4865196, 5008290, 5676062, 5723760, 6081495, 6486928, 6677720, 6950280, 8013264, 8108660, 8514093, 9730392, 10016580, 11352124, 12162990, 13355440, 13900560, 14190155, 16217320, 17028186, 19460784, 20033160, 22704248, 24325980, 28380310, 32434640, 34056372, 40066320, 42570465, 45408496, 48651960, 56760620, 68112744, 85140930, 97303920, 113521240, 136225488, 170281860, 227042480, 340563720, 681127440]

約数ペア:

[(1, 681127440), (2, 340563720), (3, 227042480), (4, 170281860), (5, 136225488), (6, 113521240), (7, 97303920), (8, 85140930), (10, 68112744), (12, 56760620), (14, 48651960), (15, 45408496), (16, 42570465), (17, 40066320), (20, 34056372), (21, 32434640), (24, 28380310), (28, 24325980), (30, 22704248), (34, 20033160), (35, 19460784), (40, 17028186), (42, 16217320), (48, 14190155), (49, 13900560), (51, 13355440), (56, 12162990), (60, 11352124), (68, 10016580), (70, 9730392), (80, 8514093), (84, 8108660), (85, 8013264), (98, 6950280), (102, 6677720), (105, 6486928), (112, 6081495), (119, 5723760), (120, 5676062), (136, 5008290), (140, 4865196), (147, 4633520), (168, 4054330), (170, 4006632), (196, 3475140), (204, 3338860), (210, 3243464), (238, 2861880), (240, 2838031), (245, 2780112), (255, 2671088), (272, 2504145), (280, 2432598), (294, 2316760), (336, 2027165), (340, 2003316), (357, 1907920), (392, 1737570), (408, 1669430), (420, 1621732), (476, 1430940), (490, 1390056), (510, 1335544), (560, 1216299), (588, 1158380), (595, 1144752), (680, 1001658), (714, 953960), (735, 926704), (784, 868785), (816, 834715), (833, 817680), (840, 810866), (952, 715470), (980, 695028), (1020, 667772), (1176, 579190), (1190, 572376), (1360, 500829), (1428, 476980), (1470, 463352), (1666, 408840), (1680, 405433), (1785, 381584), (1904, 357735), (1960, 347514), (2040, 333886), (2352, 289595), (2380, 286188), (2499, 272560), (2856, 238490), (2940, 231676), (3332, 204420), (3407, 199920), (3570, 190792), (3920, 173757), (4080, 166943), (4165, 163536), (4760, 143094), (4998, 136280), (5712, 119245), (5880, 115838), (6664, 102210), (6814, 99960), (7140, 95396), (8330, 81768), (9520, 71547), (9996, 68140), (10221, 66640), (11760, 57919), (12495, 54512), (13328, 51105), (13628, 49980), (14280, 47698), (16660, 40884), (17035, 39984), (19992, 34070), (20442, 33320), (23849, 28560), (24990, 27256)]