81129888

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{5749}}^1$

素因数の和:5779

約数の個数: 108

約数和(自身を含む): 268427250

約数和(自身を除く): 187297362

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 5749, 7056, 11498, 14112, 17247, 22996, 34494, 40243, 45992, 51741, 68988, 80486, 91984, 103482, 120729, 137976, 160972, 183968, 206964, 241458, 275952, 281701, 321944, 362187, 413928, 482916, 551904, 563402, 643888, 724374, 827856, 845103, 965832, 1126804, 1287776, 1448748, 1655712, 1690206, 1931664, 2253608, 2535309, 2897496, 3380412, 3863328, 4507216, 5070618, 5794992, 6760824, 9014432, 10141236, 11589984, 13521648, 20282472, 27043296, 40564944, 81129888]

約数ペア:

[(1, 81129888), (2, 40564944), (3, 27043296), (4, 20282472), (6, 13521648), (7, 11589984), (8, 10141236), (9, 9014432), (12, 6760824), (14, 5794992), (16, 5070618), (18, 4507216), (21, 3863328), (24, 3380412), (28, 2897496), (32, 2535309), (36, 2253608), (42, 1931664), (48, 1690206), (49, 1655712), (56, 1448748), (63, 1287776), (72, 1126804), (84, 965832), (96, 845103), (98, 827856), (112, 724374), (126, 643888), (144, 563402), (147, 551904), (168, 482916), (196, 413928), (224, 362187), (252, 321944), (288, 281701), (294, 275952), (336, 241458), (392, 206964), (441, 183968), (504, 160972), (588, 137976), (672, 120729), (784, 103482), (882, 91984), (1008, 80486), (1176, 68988), (1568, 51741), (1764, 45992), (2016, 40243), (2352, 34494), (3528, 22996), (4704, 17247), (5749, 14112), (7056, 11498)]