123784960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 328626144

約数和(自身を除く): 204841184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 173, 208, 215, 256, 260, 320, 344, 346, 416, 430, 520, 559, 640, 688, 692, 832, 860, 865, 1040, 1118, 1280, 1376, 1384, 1664, 1720, 1730, 2080, 2236, 2249, 2752, 2768, 2795, 3328, 3440, 3460, 4160, 4472, 4498, 5504, 5536, 5590, 6880, 6920, 7439, 8320, 8944, 8996, 11008, 11072, 11180, 11245, 13760, 13840, 14878, 16640, 17888, 17992, 22144, 22360, 22490, 27520, 27680, 29756, 35776, 35984, 37195, 44288, 44720, 44980, 55040, 55360, 59512, 71552, 71968, 74390, 89440, 89960, 96707, 110720, 119024, 143104, 143936, 148780, 178880, 179920, 193414, 221440, 238048, 287872, 297560, 357760, 359840, 386828, 476096, 483535, 575744, 595120, 715520, 719680, 773656, 952192, 967070, 1190240, 1439360, 1547312, 1904384, 1934140, 2380480, 2878720, 3094624, 3868280, 4760960, 6189248, 7736560, 9521920, 12378496, 15473120, 24756992, 30946240, 61892480, 123784960]

約数ペア:

[(1, 123784960), (2, 61892480), (4, 30946240), (5, 24756992), (8, 15473120), (10, 12378496), (13, 9521920), (16, 7736560), (20, 6189248), (26, 4760960), (32, 3868280), (40, 3094624), (43, 2878720), (52, 2380480), (64, 1934140), (65, 1904384), (80, 1547312), (86, 1439360), (104, 1190240), (128, 967070), (130, 952192), (160, 773656), (172, 719680), (173, 715520), (208, 595120), (215, 575744), (256, 483535), (260, 476096), (320, 386828), (344, 359840), (346, 357760), (416, 297560), (430, 287872), (520, 238048), (559, 221440), (640, 193414), (688, 179920), (692, 178880), (832, 148780), (860, 143936), (865, 143104), (1040, 119024), (1118, 110720), (1280, 96707), (1376, 89960), (1384, 89440), (1664, 74390), (1720, 71968), (1730, 71552), (2080, 59512), (2236, 55360), (2249, 55040), (2752, 44980), (2768, 44720), (2795, 44288), (3328, 37195), (3440, 35984), (3460, 35776), (4160, 29756), (4472, 27680), (4498, 27520), (5504, 22490), (5536, 22360), (5590, 22144), (6880, 17992), (6920, 17888), (7439, 16640), (8320, 14878), (8944, 13840), (8996, 13760), (11008, 11245), (11072, 11180)]