2163998720

素因数分解:

$2^{18}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 152

約数和(自身を含む): 5637133824

約数和(自身を除く): 3473135104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 512, 520, 635, 640, 832, 1016, 1024, 1040, 1270, 1280, 1651, 1664, 2032, 2048, 2080, 2540, 2560, 3302, 3328, 4064, 4096, 4160, 5080, 5120, 6604, 6656, 8128, 8192, 8255, 8320, 10160, 10240, 13208, 13312, 16256, 16384, 16510, 16640, 20320, 20480, 26416, 26624, 32512, 32768, 33020, 33280, 40640, 40960, 52832, 53248, 65024, 65536, 66040, 66560, 81280, 81920, 105664, 106496, 130048, 131072, 132080, 133120, 162560, 163840, 211328, 212992, 260096, 262144, 264160, 266240, 325120, 327680, 422656, 425984, 520192, 528320, 532480, 650240, 655360, 845312, 851968, 1040384, 1056640, 1064960, 1300480, 1310720, 1690624, 1703936, 2080768, 2113280, 2129920, 2600960, 3381248, 3407872, 4161536, 4226560, 4259840, 5201920, 6762496, 8323072, 8453120, 8519680, 10403840, 13524992, 16646144, 16906240, 17039360, 20807680, 27049984, 33292288, 33812480, 41615360, 54099968, 67624960, 83230720, 108199936, 135249920, 166461440, 216399872, 270499840, 432799744, 540999680, 1081999360, 2163998720]

約数ペア:

[(1, 2163998720), (2, 1081999360), (4, 540999680), (5, 432799744), (8, 270499840), (10, 216399872), (13, 166461440), (16, 135249920), (20, 108199936), (26, 83230720), (32, 67624960), (40, 54099968), (52, 41615360), (64, 33812480), (65, 33292288), (80, 27049984), (104, 20807680), (127, 17039360), (128, 16906240), (130, 16646144), (160, 13524992), (208, 10403840), (254, 8519680), (256, 8453120), (260, 8323072), (320, 6762496), (416, 5201920), (508, 4259840), (512, 4226560), (520, 4161536), (635, 3407872), (640, 3381248), (832, 2600960), (1016, 2129920), (1024, 2113280), (1040, 2080768), (1270, 1703936), (1280, 1690624), (1651, 1310720), (1664, 1300480), (2032, 1064960), (2048, 1056640), (2080, 1040384), (2540, 851968), (2560, 845312), (3302, 655360), (3328, 650240), (4064, 532480), (4096, 528320), (4160, 520192), (5080, 425984), (5120, 422656), (6604, 327680), (6656, 325120), (8128, 266240), (8192, 264160), (8255, 262144), (8320, 260096), (10160, 212992), (10240, 211328), (13208, 163840), (13312, 162560), (16256, 133120), (16384, 132080), (16510, 131072), (16640, 130048), (20320, 106496), (20480, 105664), (26416, 81920), (26624, 81280), (32512, 66560), (32768, 66040), (33020, 65536), (33280, 65024), (40640, 53248), (40960, 52832)]