81669168

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 160

約数和(自身を含む): 271411200

約数和(自身を除く): 189742032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 113, 126, 144, 168, 189, 216, 226, 239, 252, 336, 339, 378, 432, 452, 478, 504, 678, 717, 756, 791, 904, 956, 1008, 1017, 1356, 1434, 1512, 1582, 1673, 1808, 1912, 2034, 2151, 2373, 2712, 2868, 3024, 3051, 3164, 3346, 3824, 4068, 4302, 4746, 5019, 5424, 5736, 6102, 6328, 6453, 6692, 7119, 8136, 8604, 9492, 10038, 11472, 12204, 12656, 12906, 13384, 14238, 15057, 16272, 17208, 18984, 20076, 21357, 24408, 25812, 26768, 27007, 28476, 30114, 34416, 37968, 40152, 42714, 45171, 48816, 51624, 54014, 56952, 60228, 80304, 81021, 85428, 90342, 103248, 108028, 113904, 120456, 162042, 170856, 180684, 189049, 216056, 240912, 243063, 324084, 341712, 361368, 378098, 432112, 486126, 567147, 648168, 722736, 729189, 756196, 972252, 1134294, 1296336, 1458378, 1512392, 1701441, 1944504, 2268588, 2916756, 3024784, 3402882, 3889008, 4537176, 5104323, 5833512, 6805764, 9074352, 10208646, 11667024, 13611528, 20417292, 27223056, 40834584, 81669168]

約数ペア:

[(1, 81669168), (2, 40834584), (3, 27223056), (4, 20417292), (6, 13611528), (7, 11667024), (8, 10208646), (9, 9074352), (12, 6805764), (14, 5833512), (16, 5104323), (18, 4537176), (21, 3889008), (24, 3402882), (27, 3024784), (28, 2916756), (36, 2268588), (42, 1944504), (48, 1701441), (54, 1512392), (56, 1458378), (63, 1296336), (72, 1134294), (84, 972252), (108, 756196), (112, 729189), (113, 722736), (126, 648168), (144, 567147), (168, 486126), (189, 432112), (216, 378098), (226, 361368), (239, 341712), (252, 324084), (336, 243063), (339, 240912), (378, 216056), (432, 189049), (452, 180684), (478, 170856), (504, 162042), (678, 120456), (717, 113904), (756, 108028), (791, 103248), (904, 90342), (956, 85428), (1008, 81021), (1017, 80304), (1356, 60228), (1434, 56952), (1512, 54014), (1582, 51624), (1673, 48816), (1808, 45171), (1912, 42714), (2034, 40152), (2151, 37968), (2373, 34416), (2712, 30114), (2868, 28476), (3024, 27007), (3051, 26768), (3164, 25812), (3346, 24408), (3824, 21357), (4068, 20076), (4302, 18984), (4746, 17208), (5019, 16272), (5424, 15057), (5736, 14238), (6102, 13384), (6328, 12906), (6453, 12656), (6692, 12204), (7119, 11472), (8136, 10038), (8604, 9492)]