81387432

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 288100800

約数和(自身を除く): 206713368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 23, 24, 28, 34, 36, 42, 46, 49, 51, 56, 59, 63, 68, 69, 72, 84, 92, 98, 102, 118, 119, 126, 136, 138, 147, 153, 161, 168, 177, 184, 196, 204, 207, 236, 238, 252, 276, 294, 306, 322, 354, 357, 391, 392, 408, 413, 414, 441, 472, 476, 483, 504, 531, 552, 588, 612, 644, 708, 714, 782, 826, 828, 833, 882, 952, 966, 1003, 1062, 1071, 1127, 1173, 1176, 1224, 1239, 1288, 1357, 1416, 1428, 1449, 1564, 1652, 1656, 1666, 1764, 1932, 2006, 2124, 2142, 2254, 2346, 2478, 2499, 2714, 2737, 2856, 2891, 2898, 3009, 3128, 3304, 3332, 3381, 3519, 3528, 3717, 3864, 4012, 4071, 4248, 4284, 4508, 4692, 4956, 4998, 5428, 5474, 5782, 5796, 6018, 6664, 6762, 7021, 7038, 7434, 7497, 8024, 8142, 8211, 8568, 8673, 9016, 9027, 9384, 9499, 9912, 9996, 10143, 10856, 10948, 11564, 11592, 12036, 12213, 13524, 14042, 14076, 14868, 14994, 16284, 16422, 17346, 18054, 18998, 19159, 19992, 20286, 21063, 21896, 23069, 23128, 24072, 24426, 24633, 26019, 27048, 28084, 28152, 28497, 29736, 29988, 32568, 32844, 34692, 36108, 37996, 38318, 40572, 42126, 46138, 48852, 49147, 49266, 52038, 56168, 56994, 57477, 59976, 63189, 65688, 66493, 69207, 69384, 72216, 75992, 76636, 81144, 84252, 85491, 92276, 97704, 98294, 98532, 104076, 113988, 114954, 126378, 132986, 138414, 147441, 153272, 161483, 168504, 170982, 172431, 184552, 196588, 197064, 199479, 207621, 208152, 227976, 229908, 252756, 265972, 276828, 294882, 322966, 341964, 344862, 393176, 398958, 415242, 442323, 459816, 484449, 505512, 531944, 553656, 589764, 598437, 645932, 683928, 689724, 797916, 830484, 884646, 968898, 1130381, 1179528, 1196874, 1291864, 1379448, 1453347, 1595832, 1660968, 1769292, 1937796, 2260762, 2393748, 2906694, 3391143, 3538584, 3875592, 4521524, 4787496, 5813388, 6782286, 9043048, 10173429, 11626776, 13564572, 20346858, 27129144, 40693716, 81387432]

約数ペア:

[(1, 81387432), (2, 40693716), (3, 27129144), (4, 20346858), (6, 13564572), (7, 11626776), (8, 10173429), (9, 9043048), (12, 6782286), (14, 5813388), (17, 4787496), (18, 4521524), (21, 3875592), (23, 3538584), (24, 3391143), (28, 2906694), (34, 2393748), (36, 2260762), (42, 1937796), (46, 1769292), (49, 1660968), (51, 1595832), (56, 1453347), (59, 1379448), (63, 1291864), (68, 1196874), (69, 1179528), (72, 1130381), (84, 968898), (92, 884646), (98, 830484), (102, 797916), (118, 689724), (119, 683928), (126, 645932), (136, 598437), (138, 589764), (147, 553656), (153, 531944), (161, 505512), (168, 484449), (177, 459816), (184, 442323), (196, 415242), (204, 398958), (207, 393176), (236, 344862), (238, 341964), (252, 322966), (276, 294882), (294, 276828), (306, 265972), (322, 252756), (354, 229908), (357, 227976), (391, 208152), (392, 207621), (408, 199479), (413, 197064), (414, 196588), (441, 184552), (472, 172431), (476, 170982), (483, 168504), (504, 161483), (531, 153272), (552, 147441), (588, 138414), (612, 132986), (644, 126378), (708, 114954), (714, 113988), (782, 104076), (826, 98532), (828, 98294), (833, 97704), (882, 92276), (952, 85491), (966, 84252), (1003, 81144), (1062, 76636), (1071, 75992), (1127, 72216), (1173, 69384), (1176, 69207), (1224, 66493), (1239, 65688), (1288, 63189), (1357, 59976), (1416, 57477), (1428, 56994), (1449, 56168), (1564, 52038), (1652, 49266), (1656, 49147), (1666, 48852), (1764, 46138), (1932, 42126), (2006, 40572), (2124, 38318), (2142, 37996), (2254, 36108), (2346, 34692), (2478, 32844), (2499, 32568), (2714, 29988), (2737, 29736), (2856, 28497), (2891, 28152), (2898, 28084), (3009, 27048), (3128, 26019), (3304, 24633), (3332, 24426), (3381, 24072), (3519, 23128), (3528, 23069), (3717, 21896), (3864, 21063), (4012, 20286), (4071, 19992), (4248, 19159), (4284, 18998), (4508, 18054), (4692, 17346), (4956, 16422), (4998, 16284), (5428, 14994), (5474, 14868), (5782, 14076), (5796, 14042), (6018, 13524), (6664, 12213), (6762, 12036), (7021, 11592), (7038, 11564), (7434, 10948), (7497, 10856), (8024, 10143), (8142, 9996), (8211, 9912), (8568, 9499), (8673, 9384), (9016, 9027)]