30903680

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 74725200

約数和(自身を除く): 43821520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 443, 545, 640, 872, 886, 1090, 1744, 1772, 2180, 2215, 3488, 3544, 4360, 4430, 6976, 7088, 8720, 8860, 13952, 14176, 17440, 17720, 28352, 34880, 35440, 48287, 56704, 69760, 70880, 96574, 141760, 193148, 241435, 283520, 386296, 482870, 772592, 965740, 1545184, 1931480, 3090368, 3862960, 6180736, 7725920, 15451840, 30903680]

約数ペア:

[(1, 30903680), (2, 15451840), (4, 7725920), (5, 6180736), (8, 3862960), (10, 3090368), (16, 1931480), (20, 1545184), (32, 965740), (40, 772592), (64, 482870), (80, 386296), (109, 283520), (128, 241435), (160, 193148), (218, 141760), (320, 96574), (436, 70880), (443, 69760), (545, 56704), (640, 48287), (872, 35440), (886, 34880), (1090, 28352), (1744, 17720), (1772, 17440), (2180, 14176), (2215, 13952), (3488, 8860), (3544, 8720), (4360, 7088), (4430, 6976)]