81387504

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 261134328

約数和(自身を除く): 179746824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 121, 132, 144, 162, 173, 176, 198, 216, 242, 243, 264, 297, 324, 346, 363, 396, 432, 484, 486, 519, 528, 594, 648, 692, 726, 792, 891, 968, 972, 1038, 1089, 1188, 1296, 1384, 1452, 1557, 1584, 1782, 1903, 1936, 1944, 2076, 2178, 2376, 2673, 2768, 2904, 3114, 3267, 3564, 3806, 3888, 4152, 4356, 4671, 4752, 5346, 5709, 5808, 6228, 6534, 7128, 7612, 8304, 8712, 9342, 9801, 10692, 11418, 12456, 13068, 14013, 14256, 15224, 17127, 17424, 18684, 19602, 20933, 21384, 22836, 24912, 26136, 28026, 29403, 30448, 34254, 37368, 39204, 41866, 42039, 42768, 45672, 51381, 52272, 56052, 58806, 62799, 68508, 74736, 78408, 83732, 84078, 91344, 102762, 112104, 117612, 125598, 137016, 154143, 156816, 167464, 168156, 188397, 205524, 224208, 235224, 251196, 274032, 308286, 334928, 336312, 376794, 411048, 462429, 470448, 502392, 565191, 616572, 672624, 753588, 822096, 924858, 1004784, 1130382, 1233144, 1507176, 1695573, 1849716, 2260764, 2466288, 3014352, 3391146, 3699432, 4521528, 5086719, 6782292, 7398864, 9043056, 10173438, 13564584, 20346876, 27129168, 40693752, 81387504]

約数ペア:

[(1, 81387504), (2, 40693752), (3, 27129168), (4, 20346876), (6, 13564584), (8, 10173438), (9, 9043056), (11, 7398864), (12, 6782292), (16, 5086719), (18, 4521528), (22, 3699432), (24, 3391146), (27, 3014352), (33, 2466288), (36, 2260764), (44, 1849716), (48, 1695573), (54, 1507176), (66, 1233144), (72, 1130382), (81, 1004784), (88, 924858), (99, 822096), (108, 753588), (121, 672624), (132, 616572), (144, 565191), (162, 502392), (173, 470448), (176, 462429), (198, 411048), (216, 376794), (242, 336312), (243, 334928), (264, 308286), (297, 274032), (324, 251196), (346, 235224), (363, 224208), (396, 205524), (432, 188397), (484, 168156), (486, 167464), (519, 156816), (528, 154143), (594, 137016), (648, 125598), (692, 117612), (726, 112104), (792, 102762), (891, 91344), (968, 84078), (972, 83732), (1038, 78408), (1089, 74736), (1188, 68508), (1296, 62799), (1384, 58806), (1452, 56052), (1557, 52272), (1584, 51381), (1782, 45672), (1903, 42768), (1936, 42039), (1944, 41866), (2076, 39204), (2178, 37368), (2376, 34254), (2673, 30448), (2768, 29403), (2904, 28026), (3114, 26136), (3267, 24912), (3564, 22836), (3806, 21384), (3888, 20933), (4152, 19602), (4356, 18684), (4671, 17424), (4752, 17127), (5346, 15224), (5709, 14256), (5808, 14013), (6228, 13068), (6534, 12456), (7128, 11418), (7612, 10692), (8304, 9801), (8712, 9342)]