81374976

素因数分解:

$2^8\times 3^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 245852320

約数和(自身を除く): 164477344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 96, 108, 122, 128, 144, 183, 192, 193, 216, 244, 256, 288, 366, 384, 386, 432, 488, 549, 576, 579, 732, 768, 772, 864, 976, 1098, 1152, 1158, 1464, 1544, 1647, 1728, 1737, 1952, 2196, 2304, 2316, 2928, 3088, 3294, 3456, 3474, 3904, 4392, 4632, 5211, 5856, 6176, 6588, 6912, 6948, 7808, 8784, 9264, 10422, 11712, 11773, 12352, 13176, 13896, 15616, 17568, 18528, 20844, 23424, 23546, 24704, 26352, 27792, 35136, 35319, 37056, 41688, 46848, 47092, 49408, 52704, 55584, 70272, 70638, 74112, 83376, 94184, 105408, 105957, 111168, 140544, 141276, 148224, 166752, 188368, 210816, 211914, 222336, 282552, 317871, 333504, 376736, 421632, 423828, 444672, 565104, 635742, 667008, 753472, 847656, 1130208, 1271484, 1334016, 1506944, 1695312, 2260416, 2542968, 3013888, 3390624, 4520832, 5085936, 6781248, 9041664, 10171872, 13562496, 20343744, 27124992, 40687488, 81374976]

約数ペア:

[(1, 81374976), (2, 40687488), (3, 27124992), (4, 20343744), (6, 13562496), (8, 10171872), (9, 9041664), (12, 6781248), (16, 5085936), (18, 4520832), (24, 3390624), (27, 3013888), (32, 2542968), (36, 2260416), (48, 1695312), (54, 1506944), (61, 1334016), (64, 1271484), (72, 1130208), (96, 847656), (108, 753472), (122, 667008), (128, 635742), (144, 565104), (183, 444672), (192, 423828), (193, 421632), (216, 376736), (244, 333504), (256, 317871), (288, 282552), (366, 222336), (384, 211914), (386, 210816), (432, 188368), (488, 166752), (549, 148224), (576, 141276), (579, 140544), (732, 111168), (768, 105957), (772, 105408), (864, 94184), (976, 83376), (1098, 74112), (1152, 70638), (1158, 70272), (1464, 55584), (1544, 52704), (1647, 49408), (1728, 47092), (1737, 46848), (1952, 41688), (2196, 37056), (2304, 35319), (2316, 35136), (2928, 27792), (3088, 26352), (3294, 24704), (3456, 23546), (3474, 23424), (3904, 20844), (4392, 18528), (4632, 17568), (5211, 15616), (5856, 13896), (6176, 13176), (6588, 12352), (6912, 11773), (6948, 11712), (7808, 10422), (8784, 9264)]