15818080

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 37754640

約数和(自身を除く): 21936560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 907, 1090, 1744, 1814, 2180, 3488, 3628, 4360, 4535, 7256, 8720, 9070, 14512, 17440, 18140, 29024, 36280, 72560, 98863, 145120, 197726, 395452, 494315, 790904, 988630, 1581808, 1977260, 3163616, 3954520, 7909040, 15818080]

約数ペア:

[(1, 15818080), (2, 7909040), (4, 3954520), (5, 3163616), (8, 1977260), (10, 1581808), (16, 988630), (20, 790904), (32, 494315), (40, 395452), (80, 197726), (109, 145120), (160, 98863), (218, 72560), (436, 36280), (545, 29024), (872, 18140), (907, 17440), (1090, 14512), (1744, 9070), (1814, 8720), (2180, 7256), (3488, 4535), (3628, 4360)]