180687080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28057}}^1$

素因数の和:28098

約数の個数: 64

約数和(自身を含む): 484842240

約数和(自身を除く): 304155160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 28057, 56114, 112228, 140285, 196399, 224456, 280570, 392798, 561140, 645311, 785596, 981995, 1122280, 1290622, 1571192, 1963990, 2581244, 3226555, 3927980, 4517177, 5162488, 6453110, 7855960, 9034354, 12906220, 18068708, 22585885, 25812440, 36137416, 45171770, 90343540, 180687080]

約数ペア:

[(1, 180687080), (2, 90343540), (4, 45171770), (5, 36137416), (7, 25812440), (8, 22585885), (10, 18068708), (14, 12906220), (20, 9034354), (23, 7855960), (28, 6453110), (35, 5162488), (40, 4517177), (46, 3927980), (56, 3226555), (70, 2581244), (92, 1963990), (115, 1571192), (140, 1290622), (161, 1122280), (184, 981995), (230, 785596), (280, 645311), (322, 561140), (460, 392798), (644, 280570), (805, 224456), (920, 196399), (1288, 140285), (1610, 112228), (3220, 56114), (6440, 28057)]