311173120

素因数分解:

$2^{13}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 112

約数和(自身を含む): 764365248

約数和(自身を除く): 453192128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 107, 128, 142, 160, 214, 256, 284, 320, 355, 428, 512, 535, 568, 640, 710, 856, 1024, 1070, 1136, 1280, 1420, 1712, 2048, 2140, 2272, 2560, 2840, 3424, 4096, 4280, 4544, 5120, 5680, 6848, 7597, 8192, 8560, 9088, 10240, 11360, 13696, 15194, 17120, 18176, 20480, 22720, 27392, 30388, 34240, 36352, 37985, 40960, 45440, 54784, 60776, 68480, 72704, 75970, 90880, 109568, 121552, 136960, 145408, 151940, 181760, 219136, 243104, 273920, 290816, 303880, 363520, 438272, 486208, 547840, 581632, 607760, 727040, 876544, 972416, 1095680, 1215520, 1454080, 1944832, 2191360, 2431040, 2908160, 3889664, 4382720, 4862080, 7779328, 9724160, 15558656, 19448320, 31117312, 38896640, 62234624, 77793280, 155586560, 311173120]

約数ペア:

[(1, 311173120), (2, 155586560), (4, 77793280), (5, 62234624), (8, 38896640), (10, 31117312), (16, 19448320), (20, 15558656), (32, 9724160), (40, 7779328), (64, 4862080), (71, 4382720), (80, 3889664), (107, 2908160), (128, 2431040), (142, 2191360), (160, 1944832), (214, 1454080), (256, 1215520), (284, 1095680), (320, 972416), (355, 876544), (428, 727040), (512, 607760), (535, 581632), (568, 547840), (640, 486208), (710, 438272), (856, 363520), (1024, 303880), (1070, 290816), (1136, 273920), (1280, 243104), (1420, 219136), (1712, 181760), (2048, 151940), (2140, 145408), (2272, 136960), (2560, 121552), (2840, 109568), (3424, 90880), (4096, 75970), (4280, 72704), (4544, 68480), (5120, 60776), (5680, 54784), (6848, 45440), (7597, 40960), (8192, 37985), (8560, 36352), (9088, 34240), (10240, 30388), (11360, 27392), (13696, 22720), (15194, 20480), (17120, 18176)]