256566900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{601}}^1\times {\mathrm{1423}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 744091264

約数和(自身を除く): 487524364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 601, 1202, 1423, 1803, 2404, 2846, 3005, 3606, 4269, 5692, 6010, 7115, 7212, 8538, 9015, 12020, 14230, 15025, 17076, 18030, 21345, 28460, 30050, 35575, 36060, 42690, 45075, 60100, 71150, 85380, 90150, 106725, 142300, 180300, 213450, 426900, 855223, 1710446, 2565669, 3420892, 4276115, 5131338, 8552230, 10262676, 12828345, 17104460, 21380575, 25656690, 42761150, 51313380, 64141725, 85522300, 128283450, 256566900]

約数ペア:

[(1, 256566900), (2, 128283450), (3, 85522300), (4, 64141725), (5, 51313380), (6, 42761150), (10, 25656690), (12, 21380575), (15, 17104460), (20, 12828345), (25, 10262676), (30, 8552230), (50, 5131338), (60, 4276115), (75, 3420892), (100, 2565669), (150, 1710446), (300, 855223), (601, 426900), (1202, 213450), (1423, 180300), (1803, 142300), (2404, 106725), (2846, 90150), (3005, 85380), (3606, 71150), (4269, 60100), (5692, 45075), (6010, 42690), (7115, 36060), (7212, 35575), (8538, 30050), (9015, 28460), (12020, 21345), (14230, 18030), (15025, 17076)]