160281440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 144

約数和(自身を含む): 441606816

約数和(自身を除く): 281325376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 340, 352, 374, 440, 484, 487, 544, 605, 680, 748, 880, 935, 968, 974, 1210, 1360, 1496, 1760, 1870, 1936, 1948, 2057, 2420, 2435, 2720, 2992, 3740, 3872, 3896, 4114, 4840, 4870, 5357, 5984, 7480, 7792, 8228, 8279, 9680, 9740, 10285, 10714, 14960, 15584, 16456, 16558, 19360, 19480, 20570, 21428, 26785, 29920, 32912, 33116, 38960, 41140, 41395, 42856, 53570, 58927, 65824, 66232, 77920, 82280, 82790, 85712, 91069, 107140, 117854, 132464, 164560, 165580, 171424, 182138, 214280, 235708, 264928, 294635, 329120, 331160, 364276, 428560, 455345, 471416, 589270, 662320, 728552, 857120, 910690, 942832, 1001759, 1178540, 1324640, 1457104, 1821380, 1885664, 2003518, 2357080, 2914208, 3642760, 4007036, 4714160, 5008795, 7285520, 8014072, 9428320, 10017590, 14571040, 16028144, 20035180, 32056288, 40070360, 80140720, 160281440]

約数ペア:

[(1, 160281440), (2, 80140720), (4, 40070360), (5, 32056288), (8, 20035180), (10, 16028144), (11, 14571040), (16, 10017590), (17, 9428320), (20, 8014072), (22, 7285520), (32, 5008795), (34, 4714160), (40, 4007036), (44, 3642760), (55, 2914208), (68, 2357080), (80, 2003518), (85, 1885664), (88, 1821380), (110, 1457104), (121, 1324640), (136, 1178540), (160, 1001759), (170, 942832), (176, 910690), (187, 857120), (220, 728552), (242, 662320), (272, 589270), (340, 471416), (352, 455345), (374, 428560), (440, 364276), (484, 331160), (487, 329120), (544, 294635), (605, 264928), (680, 235708), (748, 214280), (880, 182138), (935, 171424), (968, 165580), (974, 164560), (1210, 132464), (1360, 117854), (1496, 107140), (1760, 91069), (1870, 85712), (1936, 82790), (1948, 82280), (2057, 77920), (2420, 66232), (2435, 65824), (2720, 58927), (2992, 53570), (3740, 42856), (3872, 41395), (3896, 41140), (4114, 38960), (4840, 33116), (4870, 32912), (5357, 29920), (5984, 26785), (7480, 21428), (7792, 20570), (8228, 19480), (8279, 19360), (9680, 16558), (9740, 16456), (10285, 15584), (10714, 14960)]