81206928

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:794

約数の個数: 160

約数和(自身を含む): 265697280

約数和(自身を除く): 184490352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 27, 33, 36, 44, 46, 48, 54, 66, 69, 72, 88, 92, 99, 108, 132, 138, 144, 176, 184, 198, 207, 216, 253, 264, 276, 297, 368, 396, 414, 432, 506, 528, 552, 594, 621, 743, 759, 792, 828, 1012, 1104, 1188, 1242, 1486, 1518, 1584, 1656, 2024, 2229, 2277, 2376, 2484, 2972, 3036, 3312, 4048, 4458, 4554, 4752, 4968, 5944, 6072, 6687, 6831, 8173, 8916, 9108, 9936, 11888, 12144, 13374, 13662, 16346, 17089, 17832, 18216, 20061, 24519, 26748, 27324, 32692, 34178, 35664, 36432, 40122, 49038, 51267, 53496, 54648, 65384, 68356, 73557, 80244, 98076, 102534, 106992, 109296, 130768, 136712, 147114, 153801, 160488, 187979, 196152, 205068, 220671, 273424, 294228, 307602, 320976, 375958, 392304, 410136, 441342, 461403, 563937, 588456, 615204, 751916, 820272, 882684, 922806, 1127874, 1176912, 1230408, 1503832, 1691811, 1765368, 1845612, 2255748, 2460816, 3007664, 3383622, 3530736, 3691224, 4511496, 5075433, 6767244, 7382448, 9022992, 10150866, 13534488, 20301732, 27068976, 40603464, 81206928]

約数ペア:

[(1, 81206928), (2, 40603464), (3, 27068976), (4, 20301732), (6, 13534488), (8, 10150866), (9, 9022992), (11, 7382448), (12, 6767244), (16, 5075433), (18, 4511496), (22, 3691224), (23, 3530736), (24, 3383622), (27, 3007664), (33, 2460816), (36, 2255748), (44, 1845612), (46, 1765368), (48, 1691811), (54, 1503832), (66, 1230408), (69, 1176912), (72, 1127874), (88, 922806), (92, 882684), (99, 820272), (108, 751916), (132, 615204), (138, 588456), (144, 563937), (176, 461403), (184, 441342), (198, 410136), (207, 392304), (216, 375958), (253, 320976), (264, 307602), (276, 294228), (297, 273424), (368, 220671), (396, 205068), (414, 196152), (432, 187979), (506, 160488), (528, 153801), (552, 147114), (594, 136712), (621, 130768), (743, 109296), (759, 106992), (792, 102534), (828, 98076), (1012, 80244), (1104, 73557), (1188, 68356), (1242, 65384), (1486, 54648), (1518, 53496), (1584, 51267), (1656, 49038), (2024, 40122), (2229, 36432), (2277, 35664), (2376, 34178), (2484, 32692), (2972, 27324), (3036, 26748), (3312, 24519), (4048, 20061), (4458, 18216), (4554, 17832), (4752, 17089), (4968, 16346), (5944, 13662), (6072, 13374), (6687, 12144), (6831, 11888), (8173, 9936), (8916, 9108)]