220382856

素因数分解:

$2^3\times 3^4\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 620294400

約数和(自身を除く): 399911544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 239, 324, 478, 648, 717, 956, 1423, 1434, 1912, 2151, 2846, 2868, 4269, 4302, 5692, 5736, 6453, 8538, 8604, 11384, 12807, 12906, 17076, 17208, 19359, 25614, 25812, 34152, 38421, 38718, 51228, 51624, 76842, 77436, 102456, 115263, 153684, 154872, 230526, 307368, 340097, 461052, 680194, 922104, 1020291, 1360388, 2040582, 2720776, 3060873, 4081164, 6121746, 8162328, 9182619, 12243492, 18365238, 24486984, 27547857, 36730476, 55095714, 73460952, 110191428, 220382856]

約数ペア:

[(1, 220382856), (2, 110191428), (3, 73460952), (4, 55095714), (6, 36730476), (8, 27547857), (9, 24486984), (12, 18365238), (18, 12243492), (24, 9182619), (27, 8162328), (36, 6121746), (54, 4081164), (72, 3060873), (81, 2720776), (108, 2040582), (162, 1360388), (216, 1020291), (239, 922104), (324, 680194), (478, 461052), (648, 340097), (717, 307368), (956, 230526), (1423, 154872), (1434, 153684), (1912, 115263), (2151, 102456), (2846, 77436), (2868, 76842), (4269, 51624), (4302, 51228), (5692, 38718), (5736, 38421), (6453, 34152), (8538, 25812), (8604, 25614), (11384, 19359), (12807, 17208), (12906, 17076)]