81941328

素因数分解:

$2^4\times 3^3\times 7^4\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 200

約数和(自身を含む): 277859200

約数和(自身を除く): 195917872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 79, 84, 98, 108, 112, 126, 144, 147, 158, 168, 189, 196, 216, 237, 252, 294, 316, 336, 343, 378, 392, 432, 441, 474, 504, 553, 588, 632, 686, 711, 756, 784, 882, 948, 1008, 1029, 1106, 1176, 1264, 1323, 1372, 1422, 1512, 1659, 1764, 1896, 2058, 2133, 2212, 2352, 2401, 2646, 2744, 2844, 3024, 3087, 3318, 3528, 3792, 3871, 4116, 4266, 4424, 4802, 4977, 5292, 5488, 5688, 6174, 6636, 7056, 7203, 7742, 8232, 8532, 8848, 9261, 9604, 9954, 10584, 11376, 11613, 12348, 13272, 14406, 14931, 15484, 16464, 17064, 18522, 19208, 19908, 21168, 21609, 23226, 24696, 26544, 27097, 28812, 29862, 30968, 34128, 34839, 37044, 38416, 39816, 43218, 46452, 49392, 54194, 57624, 59724, 61936, 64827, 69678, 74088, 79632, 81291, 86436, 92904, 104517, 108388, 115248, 119448, 129654, 139356, 148176, 162582, 172872, 185808, 189679, 209034, 216776, 238896, 243873, 259308, 278712, 325164, 345744, 379358, 418068, 433552, 487746, 518616, 557424, 569037, 650328, 731619, 758716, 836136, 975492, 1037232, 1138074, 1300656, 1463238, 1517432, 1672272, 1707111, 1950984, 2276148, 2926476, 3034864, 3414222, 3901968, 4552296, 5121333, 5852952, 6828444, 9104592, 10242666, 11705904, 13656888, 20485332, 27313776, 40970664, 81941328]

約数ペア:

[(1, 81941328), (2, 40970664), (3, 27313776), (4, 20485332), (6, 13656888), (7, 11705904), (8, 10242666), (9, 9104592), (12, 6828444), (14, 5852952), (16, 5121333), (18, 4552296), (21, 3901968), (24, 3414222), (27, 3034864), (28, 2926476), (36, 2276148), (42, 1950984), (48, 1707111), (49, 1672272), (54, 1517432), (56, 1463238), (63, 1300656), (72, 1138074), (79, 1037232), (84, 975492), (98, 836136), (108, 758716), (112, 731619), (126, 650328), (144, 569037), (147, 557424), (158, 518616), (168, 487746), (189, 433552), (196, 418068), (216, 379358), (237, 345744), (252, 325164), (294, 278712), (316, 259308), (336, 243873), (343, 238896), (378, 216776), (392, 209034), (432, 189679), (441, 185808), (474, 172872), (504, 162582), (553, 148176), (588, 139356), (632, 129654), (686, 119448), (711, 115248), (756, 108388), (784, 104517), (882, 92904), (948, 86436), (1008, 81291), (1029, 79632), (1106, 74088), (1176, 69678), (1264, 64827), (1323, 61936), (1372, 59724), (1422, 57624), (1512, 54194), (1659, 49392), (1764, 46452), (1896, 43218), (2058, 39816), (2133, 38416), (2212, 37044), (2352, 34839), (2401, 34128), (2646, 30968), (2744, 29862), (2844, 28812), (3024, 27097), (3087, 26544), (3318, 24696), (3528, 23226), (3792, 21609), (3871, 21168), (4116, 19908), (4266, 19208), (4424, 18522), (4802, 17064), (4977, 16464), (5292, 15484), (5488, 14931), (5688, 14406), (6174, 13272), (6636, 12348), (7056, 11613), (7203, 11376), (7742, 10584), (8232, 9954), (8532, 9604), (8848, 9261)]