81303552

素因数分解:

$2^{11}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 256805640

約数和(自身を除く): 175502088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 401, 512, 528, 576, 704, 768, 792, 802, 1024, 1056, 1152, 1203, 1408, 1536, 1584, 1604, 2048, 2112, 2304, 2406, 2816, 3072, 3168, 3208, 3609, 4224, 4411, 4608, 4812, 5632, 6144, 6336, 6416, 7218, 8448, 8822, 9216, 9624, 11264, 12672, 12832, 13233, 14436, 16896, 17644, 18432, 19248, 22528, 25344, 25664, 26466, 28872, 33792, 35288, 38496, 39699, 50688, 51328, 52932, 57744, 67584, 70576, 76992, 79398, 101376, 102656, 105864, 115488, 141152, 153984, 158796, 202752, 205312, 211728, 230976, 282304, 307968, 317592, 410624, 423456, 461952, 564608, 615936, 635184, 821248, 846912, 923904, 1129216, 1231872, 1270368, 1693824, 1847808, 2258432, 2463744, 2540736, 3387648, 3695616, 4516864, 5081472, 6775296, 7391232, 9033728, 10162944, 13550592, 20325888, 27101184, 40651776, 81303552]

約数ペア:

[(1, 81303552), (2, 40651776), (3, 27101184), (4, 20325888), (6, 13550592), (8, 10162944), (9, 9033728), (11, 7391232), (12, 6775296), (16, 5081472), (18, 4516864), (22, 3695616), (24, 3387648), (32, 2540736), (33, 2463744), (36, 2258432), (44, 1847808), (48, 1693824), (64, 1270368), (66, 1231872), (72, 1129216), (88, 923904), (96, 846912), (99, 821248), (128, 635184), (132, 615936), (144, 564608), (176, 461952), (192, 423456), (198, 410624), (256, 317592), (264, 307968), (288, 282304), (352, 230976), (384, 211728), (396, 205312), (401, 202752), (512, 158796), (528, 153984), (576, 141152), (704, 115488), (768, 105864), (792, 102656), (802, 101376), (1024, 79398), (1056, 76992), (1152, 70576), (1203, 67584), (1408, 57744), (1536, 52932), (1584, 51328), (1604, 50688), (2048, 39699), (2112, 38496), (2304, 35288), (2406, 33792), (2816, 28872), (3072, 26466), (3168, 25664), (3208, 25344), (3609, 22528), (4224, 19248), (4411, 18432), (4608, 17644), (4812, 16896), (5632, 14436), (6144, 13233), (6336, 12832), (6416, 12672), (7218, 11264), (8448, 9624), (8822, 9216)]