780108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 2145024

約数和(自身を除く): 1364916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 251, 259, 444, 502, 518, 753, 777, 1004, 1036, 1506, 1554, 1757, 3012, 3108, 3514, 5271, 7028, 9287, 10542, 18574, 21084, 27861, 37148, 55722, 65009, 111444, 130018, 195027, 260036, 390054, 780108]

約数ペア:

[(1, 780108), (2, 390054), (3, 260036), (4, 195027), (6, 130018), (7, 111444), (12, 65009), (14, 55722), (21, 37148), (28, 27861), (37, 21084), (42, 18574), (74, 10542), (84, 9287), (111, 7028), (148, 5271), (222, 3514), (251, 3108), (259, 3012), (444, 1757), (502, 1554), (518, 1506), (753, 1036), (777, 1004)]