68357120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 132

約数和(自身を含む): 179808480

約数和(自身を除く): 111451360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 169, 208, 256, 260, 316, 320, 338, 395, 416, 512, 520, 632, 640, 676, 790, 832, 845, 1024, 1027, 1040, 1264, 1280, 1352, 1580, 1664, 1690, 2054, 2080, 2528, 2560, 2704, 3160, 3328, 3380, 4108, 4160, 5056, 5120, 5135, 5408, 6320, 6656, 6760, 8216, 8320, 10112, 10270, 10816, 12640, 13312, 13351, 13520, 16432, 16640, 20224, 20540, 21632, 25280, 26702, 27040, 32864, 33280, 40448, 41080, 43264, 50560, 53404, 54080, 65728, 66560, 66755, 80896, 82160, 86528, 101120, 106808, 108160, 131456, 133510, 164320, 173056, 202240, 213616, 216320, 262912, 267020, 328640, 404480, 427232, 432640, 525824, 534040, 657280, 854464, 865280, 1051648, 1068080, 1314560, 1708928, 2136160, 2629120, 3417856, 4272320, 5258240, 6835712, 8544640, 13671424, 17089280, 34178560, 68357120]

約数ペア:

[(1, 68357120), (2, 34178560), (4, 17089280), (5, 13671424), (8, 8544640), (10, 6835712), (13, 5258240), (16, 4272320), (20, 3417856), (26, 2629120), (32, 2136160), (40, 1708928), (52, 1314560), (64, 1068080), (65, 1051648), (79, 865280), (80, 854464), (104, 657280), (128, 534040), (130, 525824), (158, 432640), (160, 427232), (169, 404480), (208, 328640), (256, 267020), (260, 262912), (316, 216320), (320, 213616), (338, 202240), (395, 173056), (416, 164320), (512, 133510), (520, 131456), (632, 108160), (640, 106808), (676, 101120), (790, 86528), (832, 82160), (845, 80896), (1024, 66755), (1027, 66560), (1040, 65728), (1264, 54080), (1280, 53404), (1352, 50560), (1580, 43264), (1664, 41080), (1690, 40448), (2054, 33280), (2080, 32864), (2528, 27040), (2560, 26702), (2704, 25280), (3160, 21632), (3328, 20540), (3380, 20224), (4108, 16640), (4160, 16432), (5056, 13520), (5120, 13351), (5135, 13312), (5408, 12640), (6320, 10816), (6656, 10270), (6760, 10112), (8216, 8320)]