681817968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 180

約数和(自身を含む): 2128952280

約数和(自身を除く): 1447134312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 379, 403, 468, 496, 558, 624, 744, 758, 806, 936, 961, 1116, 1137, 1209, 1488, 1516, 1612, 1872, 1922, 2232, 2274, 2418, 2883, 3032, 3224, 3411, 3627, 3844, 4464, 4548, 4836, 4927, 5766, 6064, 6448, 6822, 7254, 7688, 8649, 9096, 9672, 9854, 11532, 11749, 12493, 13644, 14508, 14781, 15376, 17298, 18192, 19344, 19708, 23064, 23498, 24986, 27288, 29016, 29562, 34596, 35247, 37479, 39416, 44343, 46128, 46996, 49972, 54576, 58032, 59124, 69192, 70494, 74958, 78832, 88686, 93992, 99944, 105741, 112437, 118248, 138384, 140988, 149916, 152737, 177372, 187984, 199888, 211482, 224874, 236496, 281976, 299832, 305474, 354744, 364219, 422964, 449748, 458211, 563952, 599664, 610948, 709488, 728438, 845928, 899496, 916422, 1092657, 1221896, 1374633, 1456876, 1691856, 1798992, 1832844, 2185314, 2443792, 2749266, 2913752, 3277971, 3665688, 4370628, 4734847, 5498532, 5827504, 6555942, 7331376, 8741256, 9469694, 10997064, 13111884, 14204541, 17482512, 18939388, 21994128, 26223768, 28409082, 37878776, 42613623, 52447536, 56818164, 75757552, 85227246, 113636328, 170454492, 227272656, 340908984, 681817968]

約数ペア:

[(1, 681817968), (2, 340908984), (3, 227272656), (4, 170454492), (6, 113636328), (8, 85227246), (9, 75757552), (12, 56818164), (13, 52447536), (16, 42613623), (18, 37878776), (24, 28409082), (26, 26223768), (31, 21994128), (36, 18939388), (39, 17482512), (48, 14204541), (52, 13111884), (62, 10997064), (72, 9469694), (78, 8741256), (93, 7331376), (104, 6555942), (117, 5827504), (124, 5498532), (144, 4734847), (156, 4370628), (186, 3665688), (208, 3277971), (234, 2913752), (248, 2749266), (279, 2443792), (312, 2185314), (372, 1832844), (379, 1798992), (403, 1691856), (468, 1456876), (496, 1374633), (558, 1221896), (624, 1092657), (744, 916422), (758, 899496), (806, 845928), (936, 728438), (961, 709488), (1116, 610948), (1137, 599664), (1209, 563952), (1488, 458211), (1516, 449748), (1612, 422964), (1872, 364219), (1922, 354744), (2232, 305474), (2274, 299832), (2418, 281976), (2883, 236496), (3032, 224874), (3224, 211482), (3411, 199888), (3627, 187984), (3844, 177372), (4464, 152737), (4548, 149916), (4836, 140988), (4927, 138384), (5766, 118248), (6064, 112437), (6448, 105741), (6822, 99944), (7254, 93992), (7688, 88686), (8649, 78832), (9096, 74958), (9672, 70494), (9854, 69192), (11532, 59124), (11749, 58032), (12493, 54576), (13644, 49972), (14508, 46996), (14781, 46128), (15376, 44343), (17298, 39416), (18192, 37479), (19344, 35247), (19708, 34596), (23064, 29562), (23498, 29016), (24986, 27288)]