81891936

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{829}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 271908000

約数和(自身を除く): 190016064

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, 829, 882, 1008, 1029, 1176, 1372, 1568, 1658, 1764, 2016, 2058, 2352, 2487, 2744, 3087, 3316, 3528, 4116, 4704, 4974, 5488, 5803, 6174, 6632, 7056, 7461, 8232, 9948, 10976, 11606, 12348, 13264, 14112, 14922, 16464, 17409, 19896, 23212, 24696, 26528, 29844, 32928, 34818, 39792, 40621, 46424, 49392, 52227, 59688, 69636, 79584, 81242, 92848, 98784, 104454, 119376, 121863, 139272, 162484, 185696, 208908, 238752, 243726, 278544, 284347, 324968, 365589, 417816, 487452, 557088, 568694, 649936, 731178, 835632, 853041, 974904, 1137388, 1299872, 1462356, 1671264, 1706082, 1949808, 2274776, 2559123, 2924712, 3412164, 3899616, 4549552, 5118246, 5849424, 6824328, 9099104, 10236492, 11698848, 13648656, 20472984, 27297312, 40945968, 81891936]

約数ペア:

[(1, 81891936), (2, 40945968), (3, 27297312), (4, 20472984), (6, 13648656), (7, 11698848), (8, 10236492), (9, 9099104), (12, 6824328), (14, 5849424), (16, 5118246), (18, 4549552), (21, 3899616), (24, 3412164), (28, 2924712), (32, 2559123), (36, 2274776), (42, 1949808), (48, 1706082), (49, 1671264), (56, 1462356), (63, 1299872), (72, 1137388), (84, 974904), (96, 853041), (98, 835632), (112, 731178), (126, 649936), (144, 568694), (147, 557088), (168, 487452), (196, 417816), (224, 365589), (252, 324968), (288, 284347), (294, 278544), (336, 243726), (343, 238752), (392, 208908), (441, 185696), (504, 162484), (588, 139272), (672, 121863), (686, 119376), (784, 104454), (829, 98784), (882, 92848), (1008, 81242), (1029, 79584), (1176, 69636), (1372, 59688), (1568, 52227), (1658, 49392), (1764, 46424), (2016, 40621), (2058, 39792), (2352, 34818), (2487, 32928), (2744, 29844), (3087, 26528), (3316, 24696), (3528, 23212), (4116, 19896), (4704, 17409), (4974, 16464), (5488, 14922), (5803, 14112), (6174, 13264), (6632, 12348), (7056, 11606), (7461, 10976), (8232, 9948)]