81755352

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 262080000

約数和(自身を除く): 180324648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 139, 168, 189, 216, 252, 278, 378, 389, 417, 504, 556, 756, 778, 834, 973, 1112, 1167, 1251, 1512, 1556, 1668, 1946, 2334, 2502, 2723, 2919, 3112, 3336, 3501, 3753, 3892, 4668, 5004, 5446, 5838, 7002, 7506, 7784, 8169, 8757, 9336, 10008, 10503, 10892, 11676, 14004, 15012, 16338, 17514, 21006, 21784, 23352, 24507, 26271, 28008, 30024, 32676, 35028, 42012, 49014, 52542, 54071, 65352, 70056, 73521, 84024, 98028, 105084, 108142, 147042, 162213, 196056, 210168, 216284, 294084, 324426, 378497, 432568, 486639, 588168, 648852, 756994, 973278, 1135491, 1297704, 1459917, 1513988, 1946556, 2270982, 2919834, 3027976, 3406473, 3893112, 4541964, 5839668, 6812946, 9083928, 10219419, 11679336, 13625892, 20438838, 27251784, 40877676, 81755352]

約数ペア:

[(1, 81755352), (2, 40877676), (3, 27251784), (4, 20438838), (6, 13625892), (7, 11679336), (8, 10219419), (9, 9083928), (12, 6812946), (14, 5839668), (18, 4541964), (21, 3893112), (24, 3406473), (27, 3027976), (28, 2919834), (36, 2270982), (42, 1946556), (54, 1513988), (56, 1459917), (63, 1297704), (72, 1135491), (84, 973278), (108, 756994), (126, 648852), (139, 588168), (168, 486639), (189, 432568), (216, 378497), (252, 324426), (278, 294084), (378, 216284), (389, 210168), (417, 196056), (504, 162213), (556, 147042), (756, 108142), (778, 105084), (834, 98028), (973, 84024), (1112, 73521), (1167, 70056), (1251, 65352), (1512, 54071), (1556, 52542), (1668, 49014), (1946, 42012), (2334, 35028), (2502, 32676), (2723, 30024), (2919, 28008), (3112, 26271), (3336, 24507), (3501, 23352), (3753, 21784), (3892, 21006), (4668, 17514), (5004, 16338), (5446, 15012), (5838, 14004), (7002, 11676), (7506, 10892), (7784, 10503), (8169, 10008), (8757, 9336)]