128324280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152767}}^1$

素因数の和:152788

約数の個数: 64

約数和(自身を含む): 439971840

約数和(自身を除く): 311647560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152767, 305534, 458301, 611068, 763835, 916602, 1069369, 1222136, 1527670, 1833204, 2138738, 2291505, 3055340, 3208107, 3666408, 4277476, 4583010, 5346845, 6110680, 6416214, 8554952, 9166020, 10693690, 12832428, 16040535, 18332040, 21387380, 25664856, 32081070, 42774760, 64162140, 128324280]

約数ペア:

[(1, 128324280), (2, 64162140), (3, 42774760), (4, 32081070), (5, 25664856), (6, 21387380), (7, 18332040), (8, 16040535), (10, 12832428), (12, 10693690), (14, 9166020), (15, 8554952), (20, 6416214), (21, 6110680), (24, 5346845), (28, 4583010), (30, 4277476), (35, 3666408), (40, 3208107), (42, 3055340), (56, 2291505), (60, 2138738), (70, 1833204), (84, 1527670), (105, 1222136), (120, 1069369), (140, 916602), (168, 763835), (210, 611068), (280, 458301), (420, 305534), (840, 152767)]