431841280

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 112

約数和(自身を含む): 1117451664

約数和(自身を除く): 685610384

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, 512, 520, 640, 811, 832, 1024, 1040, 1280, 1622, 1664, 2048, 2080, 2560, 3244, 3328, 4055, 4096, 4160, 5120, 6488, 6656, 8110, 8192, 8320, 10240, 10543, 12976, 13312, 16220, 16640, 20480, 21086, 25952, 26624, 32440, 33280, 40960, 42172, 51904, 52715, 53248, 64880, 66560, 84344, 103808, 105430, 106496, 129760, 133120, 168688, 207616, 210860, 259520, 266240, 337376, 415232, 421720, 519040, 532480, 674752, 830464, 843440, 1038080, 1349504, 1660928, 1686880, 2076160, 2699008, 3321856, 3373760, 4152320, 5398016, 6643712, 6747520, 8304640, 10796032, 13495040, 16609280, 21592064, 26990080, 33218560, 43184128, 53980160, 86368256, 107960320, 215920640, 431841280]

約数ペア:

[(1, 431841280), (2, 215920640), (4, 107960320), (5, 86368256), (8, 53980160), (10, 43184128), (13, 33218560), (16, 26990080), (20, 21592064), (26, 16609280), (32, 13495040), (40, 10796032), (52, 8304640), (64, 6747520), (65, 6643712), (80, 5398016), (104, 4152320), (128, 3373760), (130, 3321856), (160, 2699008), (208, 2076160), (256, 1686880), (260, 1660928), (320, 1349504), (416, 1038080), (512, 843440), (520, 830464), (640, 674752), (811, 532480), (832, 519040), (1024, 421720), (1040, 415232), (1280, 337376), (1622, 266240), (1664, 259520), (2048, 210860), (2080, 207616), (2560, 168688), (3244, 133120), (3328, 129760), (4055, 106496), (4096, 105430), (4160, 103808), (5120, 84344), (6488, 66560), (6656, 64880), (8110, 53248), (8192, 52715), (8320, 51904), (10240, 42172), (10543, 40960), (12976, 33280), (13312, 32440), (16220, 26624), (16640, 25952), (20480, 21086)]