81101664

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 269287200

約数和(自身を除く): 188185536

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, 343, 392, 441, 504, 588, 672, 686, 784, 821, 882, 1008, 1029, 1176, 1372, 1568, 1642, 1764, 2016, 2058, 2352, 2463, 2744, 3087, 3284, 3528, 4116, 4704, 4926, 5488, 5747, 6174, 6568, 7056, 7389, 8232, 9852, 10976, 11494, 12348, 13136, 14112, 14778, 16464, 17241, 19704, 22988, 24696, 26272, 29556, 32928, 34482, 39408, 40229, 45976, 49392, 51723, 59112, 68964, 78816, 80458, 91952, 98784, 103446, 118224, 120687, 137928, 160916, 183904, 206892, 236448, 241374, 275856, 281603, 321832, 362061, 413784, 482748, 551712, 563206, 643664, 724122, 827568, 844809, 965496, 1126412, 1287328, 1448244, 1655136, 1689618, 1930992, 2252824, 2534427, 2896488, 3379236, 3861984, 4505648, 5068854, 5792976, 6758472, 9011296, 10137708, 11585952, 13516944, 20275416, 27033888, 40550832, 81101664]

約数ペア:

[(1, 81101664), (2, 40550832), (3, 27033888), (4, 20275416), (6, 13516944), (7, 11585952), (8, 10137708), (9, 9011296), (12, 6758472), (14, 5792976), (16, 5068854), (18, 4505648), (21, 3861984), (24, 3379236), (28, 2896488), (32, 2534427), (36, 2252824), (42, 1930992), (48, 1689618), (49, 1655136), (56, 1448244), (63, 1287328), (72, 1126412), (84, 965496), (96, 844809), (98, 827568), (112, 724122), (126, 643664), (144, 563206), (147, 551712), (168, 482748), (196, 413784), (224, 362061), (252, 321832), (288, 281603), (294, 275856), (336, 241374), (343, 236448), (392, 206892), (441, 183904), (504, 160916), (588, 137928), (672, 120687), (686, 118224), (784, 103446), (821, 98784), (882, 91952), (1008, 80458), (1029, 78816), (1176, 68964), (1372, 59112), (1568, 51723), (1642, 49392), (1764, 45976), (2016, 40229), (2058, 39408), (2352, 34482), (2463, 32928), (2744, 29556), (3087, 26272), (3284, 24696), (3528, 22988), (4116, 19704), (4704, 17241), (4926, 16464), (5488, 14778), (5747, 14112), (6174, 13136), (6568, 12348), (7056, 11494), (7389, 10976), (8232, 9852)]