80728128

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10781}}^1$

素因数の和:10812

約数の個数: 84

約数和(自身を含む): 249215148

約数和(自身を除く): 168487020

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 3744, 7488, 10781, 21562, 32343, 43124, 64686, 86248, 97029, 129372, 140153, 172496, 194058, 258744, 280306, 344992, 388116, 420459, 517488, 560612, 689984, 776232, 840918, 1034976, 1121224, 1261377, 1552464, 1681836, 2069952, 2242448, 2522754, 3104928, 3363672, 4484896, 5045508, 6209856, 6727344, 8969792, 10091016, 13454688, 20182032, 26909376, 40364064, 80728128]

約数ペア:

[(1, 80728128), (2, 40364064), (3, 26909376), (4, 20182032), (6, 13454688), (8, 10091016), (9, 8969792), (12, 6727344), (13, 6209856), (16, 5045508), (18, 4484896), (24, 3363672), (26, 3104928), (32, 2522754), (36, 2242448), (39, 2069952), (48, 1681836), (52, 1552464), (64, 1261377), (72, 1121224), (78, 1034976), (96, 840918), (104, 776232), (117, 689984), (144, 560612), (156, 517488), (192, 420459), (208, 388116), (234, 344992), (288, 280306), (312, 258744), (416, 194058), (468, 172496), (576, 140153), (624, 129372), (832, 97029), (936, 86248), (1248, 64686), (1872, 43124), (2496, 32343), (3744, 21562), (7488, 10781)]