81644112

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 272982528

約数和(自身を除く): 191338416

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, 81, 83, 88, 92, 99, 108, 132, 138, 144, 162, 166, 176, 184, 198, 207, 216, 243, 249, 253, 264, 276, 297, 324, 332, 368, 396, 414, 432, 486, 498, 506, 528, 552, 594, 621, 648, 664, 747, 759, 792, 828, 891, 913, 972, 996, 1012, 1104, 1188, 1242, 1296, 1328, 1494, 1518, 1584, 1656, 1782, 1826, 1863, 1909, 1944, 1992, 2024, 2241, 2277, 2376, 2484, 2673, 2739, 2988, 3036, 3312, 3564, 3652, 3726, 3818, 3888, 3984, 4048, 4482, 4554, 4752, 4968, 5346, 5478, 5589, 5727, 5976, 6072, 6723, 6831, 7128, 7304, 7452, 7636, 8217, 8964, 9108, 9936, 10692, 10956, 11178, 11454, 11952, 12144, 13446, 13662, 14256, 14608, 14904, 15272, 16434, 17181, 17928, 18216, 20169, 20493, 20999, 21384, 21912, 22356, 22908, 24651, 26892, 27324, 29808, 30544, 32868, 34362, 35856, 36432, 40338, 40986, 41998, 42768, 43824, 44712, 45816, 49302, 51543, 53784, 54648, 61479, 62997, 65736, 68724, 73953, 80676, 81972, 83996, 89424, 91632, 98604, 103086, 107568, 109296, 122958, 125994, 131472, 137448, 147906, 154629, 161352, 163944, 167992, 188991, 197208, 206172, 221859, 245916, 251988, 274896, 295812, 309258, 322704, 327888, 335984, 377982, 394416, 412344, 443718, 463887, 491832, 503976, 566973, 591624, 618516, 755964, 824688, 887436, 927774, 983664, 1007952, 1133946, 1183248, 1237032, 1511928, 1700919, 1774872, 1855548, 2267892, 2474064, 3023856, 3401838, 3549744, 3711096, 4535784, 5102757, 6803676, 7422192, 9071568, 10205514, 13607352, 20411028, 27214704, 40822056, 81644112]

約数ペア:

[(1, 81644112), (2, 40822056), (3, 27214704), (4, 20411028), (6, 13607352), (8, 10205514), (9, 9071568), (11, 7422192), (12, 6803676), (16, 5102757), (18, 4535784), (22, 3711096), (23, 3549744), (24, 3401838), (27, 3023856), (33, 2474064), (36, 2267892), (44, 1855548), (46, 1774872), (48, 1700919), (54, 1511928), (66, 1237032), (69, 1183248), (72, 1133946), (81, 1007952), (83, 983664), (88, 927774), (92, 887436), (99, 824688), (108, 755964), (132, 618516), (138, 591624), (144, 566973), (162, 503976), (166, 491832), (176, 463887), (184, 443718), (198, 412344), (207, 394416), (216, 377982), (243, 335984), (249, 327888), (253, 322704), (264, 309258), (276, 295812), (297, 274896), (324, 251988), (332, 245916), (368, 221859), (396, 206172), (414, 197208), (432, 188991), (486, 167992), (498, 163944), (506, 161352), (528, 154629), (552, 147906), (594, 137448), (621, 131472), (648, 125994), (664, 122958), (747, 109296), (759, 107568), (792, 103086), (828, 98604), (891, 91632), (913, 89424), (972, 83996), (996, 81972), (1012, 80676), (1104, 73953), (1188, 68724), (1242, 65736), (1296, 62997), (1328, 61479), (1494, 54648), (1518, 53784), (1584, 51543), (1656, 49302), (1782, 45816), (1826, 44712), (1863, 43824), (1909, 42768), (1944, 41998), (1992, 40986), (2024, 40338), (2241, 36432), (2277, 35856), (2376, 34362), (2484, 32868), (2673, 30544), (2739, 29808), (2988, 27324), (3036, 26892), (3312, 24651), (3564, 22908), (3652, 22356), (3726, 21912), (3818, 21384), (3888, 20999), (3984, 20493), (4048, 20169), (4482, 18216), (4554, 17928), (4752, 17181), (4968, 16434), (5346, 15272), (5478, 14904), (5589, 14608), (5727, 14256), (5976, 13662), (6072, 13446), (6723, 12144), (6831, 11952), (7128, 11454), (7304, 11178), (7452, 10956), (7636, 10692), (8217, 9936), (8964, 9108)]