90757760

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1429

約数の個数: 64

約数和(自身を含む): 219126600

約数和(自身を除く): 128368840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1301, 1744, 2180, 2602, 3488, 4360, 5204, 6505, 6976, 8720, 10408, 13010, 13952, 17440, 20816, 26020, 34880, 41632, 52040, 69760, 83264, 104080, 141809, 166528, 208160, 283618, 416320, 567236, 709045, 832640, 1134472, 1418090, 2268944, 2836180, 4537888, 5672360, 9075776, 11344720, 18151552, 22689440, 45378880, 90757760]

約数ペア:

[(1, 90757760), (2, 45378880), (4, 22689440), (5, 18151552), (8, 11344720), (10, 9075776), (16, 5672360), (20, 4537888), (32, 2836180), (40, 2268944), (64, 1418090), (80, 1134472), (109, 832640), (128, 709045), (160, 567236), (218, 416320), (320, 283618), (436, 208160), (545, 166528), (640, 141809), (872, 104080), (1090, 83264), (1301, 69760), (1744, 52040), (2180, 41632), (2602, 34880), (3488, 26020), (4360, 20816), (5204, 17440), (6505, 13952), (6976, 13010), (8720, 10408)]