81926784

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 250076970

約数和(自身を除く): 168150186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 197, 228, 288, 304, 342, 361, 384, 394, 456, 576, 591, 608, 684, 722, 788, 912, 1083, 1152, 1182, 1216, 1368, 1444, 1576, 1773, 1824, 2166, 2364, 2432, 2736, 2888, 3152, 3249, 3546, 3648, 3743, 4332, 4728, 5472, 5776, 6304, 6498, 7092, 7296, 7486, 8664, 9456, 10944, 11229, 11552, 12608, 12996, 14184, 14972, 17328, 18912, 21888, 22458, 23104, 25216, 25992, 28368, 29944, 33687, 34656, 37824, 44916, 46208, 51984, 56736, 59888, 67374, 69312, 71117, 75648, 89832, 103968, 113472, 119776, 134748, 138624, 142234, 179664, 207936, 213351, 226944, 239552, 269496, 284468, 359328, 415872, 426702, 479104, 538992, 568936, 640053, 718656, 853404, 1077984, 1137872, 1280106, 1437312, 1706808, 2155968, 2275744, 2560212, 3413616, 4311936, 4551488, 5120424, 6827232, 9102976, 10240848, 13654464, 20481696, 27308928, 40963392, 81926784]

約数ペア:

[(1, 81926784), (2, 40963392), (3, 27308928), (4, 20481696), (6, 13654464), (8, 10240848), (9, 9102976), (12, 6827232), (16, 5120424), (18, 4551488), (19, 4311936), (24, 3413616), (32, 2560212), (36, 2275744), (38, 2155968), (48, 1706808), (57, 1437312), (64, 1280106), (72, 1137872), (76, 1077984), (96, 853404), (114, 718656), (128, 640053), (144, 568936), (152, 538992), (171, 479104), (192, 426702), (197, 415872), (228, 359328), (288, 284468), (304, 269496), (342, 239552), (361, 226944), (384, 213351), (394, 207936), (456, 179664), (576, 142234), (591, 138624), (608, 134748), (684, 119776), (722, 113472), (788, 103968), (912, 89832), (1083, 75648), (1152, 71117), (1182, 69312), (1216, 67374), (1368, 59888), (1444, 56736), (1576, 51984), (1773, 46208), (1824, 44916), (2166, 37824), (2364, 34656), (2432, 33687), (2736, 29944), (2888, 28368), (3152, 25992), (3249, 25216), (3546, 23104), (3648, 22458), (3743, 21888), (4332, 18912), (4728, 17328), (5472, 14972), (5776, 14184), (6304, 12996), (6498, 12608), (7092, 11552), (7296, 11229), (7486, 10944), (8664, 9456)]