2179968280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4007}}^1$

素因数の和:4121

約数の個数: 128

約数和(自身を含む): 5886950400

約数和(自身を除く): 3706982120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 67, 70, 116, 134, 140, 145, 203, 232, 268, 280, 290, 335, 406, 469, 536, 580, 670, 812, 938, 1015, 1160, 1340, 1624, 1876, 1943, 2030, 2345, 2680, 3752, 3886, 4007, 4060, 4690, 7772, 8014, 8120, 9380, 9715, 13601, 15544, 16028, 18760, 19430, 20035, 27202, 28049, 32056, 38860, 40070, 54404, 56098, 68005, 77720, 80140, 108808, 112196, 116203, 136010, 140245, 160280, 224392, 232406, 268469, 272020, 280490, 464812, 536938, 544040, 560980, 581015, 813421, 929624, 1073876, 1121960, 1162030, 1342345, 1626842, 1879283, 2147752, 2324060, 2684690, 3253684, 3758566, 4067105, 4648120, 5369380, 6507368, 7517132, 7785601, 8134210, 9396415, 10738760, 15034264, 15571202, 16268420, 18792830, 31142404, 32536840, 37585660, 38928005, 54499207, 62284808, 75171320, 77856010, 108998414, 155712020, 217996828, 272496035, 311424040, 435993656, 544992070, 1089984140, 2179968280]

約数ペア:

[(1, 2179968280), (2, 1089984140), (4, 544992070), (5, 435993656), (7, 311424040), (8, 272496035), (10, 217996828), (14, 155712020), (20, 108998414), (28, 77856010), (29, 75171320), (35, 62284808), (40, 54499207), (56, 38928005), (58, 37585660), (67, 32536840), (70, 31142404), (116, 18792830), (134, 16268420), (140, 15571202), (145, 15034264), (203, 10738760), (232, 9396415), (268, 8134210), (280, 7785601), (290, 7517132), (335, 6507368), (406, 5369380), (469, 4648120), (536, 4067105), (580, 3758566), (670, 3253684), (812, 2684690), (938, 2324060), (1015, 2147752), (1160, 1879283), (1340, 1626842), (1624, 1342345), (1876, 1162030), (1943, 1121960), (2030, 1073876), (2345, 929624), (2680, 813421), (3752, 581015), (3886, 560980), (4007, 544040), (4060, 536938), (4690, 464812), (7772, 280490), (8014, 272020), (8120, 268469), (9380, 232406), (9715, 224392), (13601, 160280), (15544, 140245), (16028, 136010), (18760, 116203), (19430, 112196), (20035, 108808), (27202, 80140), (28049, 77720), (32056, 68005), (38860, 56098), (40070, 54404)]