121671680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 104

約数和(自身を含む): 315124152

約数和(自身を除く): 193452472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 457, 512, 520, 640, 832, 914, 1024, 1040, 1280, 1664, 1828, 2048, 2080, 2285, 2560, 3328, 3656, 4096, 4160, 4570, 5120, 5941, 6656, 7312, 8320, 9140, 10240, 11882, 13312, 14624, 16640, 18280, 20480, 23764, 26624, 29248, 29705, 33280, 36560, 47528, 53248, 58496, 59410, 66560, 73120, 95056, 116992, 118820, 133120, 146240, 190112, 233984, 237640, 266240, 292480, 380224, 467968, 475280, 584960, 760448, 935936, 950560, 1169920, 1520896, 1871872, 1901120, 2339840, 3041792, 3802240, 4679680, 6083584, 7604480, 9359360, 12167168, 15208960, 24334336, 30417920, 60835840, 121671680]

約数ペア:

[(1, 121671680), (2, 60835840), (4, 30417920), (5, 24334336), (8, 15208960), (10, 12167168), (13, 9359360), (16, 7604480), (20, 6083584), (26, 4679680), (32, 3802240), (40, 3041792), (52, 2339840), (64, 1901120), (65, 1871872), (80, 1520896), (104, 1169920), (128, 950560), (130, 935936), (160, 760448), (208, 584960), (256, 475280), (260, 467968), (320, 380224), (416, 292480), (457, 266240), (512, 237640), (520, 233984), (640, 190112), (832, 146240), (914, 133120), (1024, 118820), (1040, 116992), (1280, 95056), (1664, 73120), (1828, 66560), (2048, 59410), (2080, 58496), (2285, 53248), (2560, 47528), (3328, 36560), (3656, 33280), (4096, 29705), (4160, 29248), (4570, 26624), (5120, 23764), (5941, 20480), (6656, 18280), (7312, 16640), (8320, 14624), (9140, 13312), (10240, 11882)]