81706464

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40529}}^1$

素因数の和:40552

約数の個数: 72

約数和(自身を含む): 265552560

約数和(自身を除く): 183846096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40529, 81058, 121587, 162116, 243174, 283703, 324232, 364761, 486348, 567406, 648464, 729522, 851109, 972696, 1134812, 1296928, 1459044, 1702218, 1945392, 2269624, 2553327, 2918088, 3404436, 3890784, 4539248, 5106654, 5836176, 6808872, 9078496, 10213308, 11672352, 13617744, 20426616, 27235488, 40853232, 81706464]

約数ペア:

[(1, 81706464), (2, 40853232), (3, 27235488), (4, 20426616), (6, 13617744), (7, 11672352), (8, 10213308), (9, 9078496), (12, 6808872), (14, 5836176), (16, 5106654), (18, 4539248), (21, 3890784), (24, 3404436), (28, 2918088), (32, 2553327), (36, 2269624), (42, 1945392), (48, 1702218), (56, 1459044), (63, 1296928), (72, 1134812), (84, 972696), (96, 851109), (112, 729522), (126, 648464), (144, 567406), (168, 486348), (224, 364761), (252, 324232), (288, 283703), (336, 243174), (504, 162116), (672, 121587), (1008, 81058), (2016, 40529)]