15451840

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:569

約数の個数: 56

約数和(自身を含む): 37216080

約数和(自身を除く): 21764240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 443, 545, 872, 886, 1090, 1744, 1772, 2180, 2215, 3488, 3544, 4360, 4430, 6976, 7088, 8720, 8860, 14176, 17440, 17720, 28352, 34880, 35440, 48287, 70880, 96574, 141760, 193148, 241435, 386296, 482870, 772592, 965740, 1545184, 1931480, 3090368, 3862960, 7725920, 15451840]

約数ペア:

[(1, 15451840), (2, 7725920), (4, 3862960), (5, 3090368), (8, 1931480), (10, 1545184), (16, 965740), (20, 772592), (32, 482870), (40, 386296), (64, 241435), (80, 193148), (109, 141760), (160, 96574), (218, 70880), (320, 48287), (436, 35440), (443, 34880), (545, 28352), (872, 17720), (886, 17440), (1090, 14176), (1744, 8860), (1772, 8720), (2180, 7088), (2215, 6976), (3488, 4430), (3544, 4360)]