15765760

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 38447640

約数和(自身を除く): 22681880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 113, 128, 160, 218, 226, 256, 320, 436, 452, 545, 565, 640, 872, 904, 1090, 1130, 1280, 1744, 1808, 2180, 2260, 3488, 3616, 4360, 4520, 6976, 7232, 8720, 9040, 12317, 13952, 14464, 17440, 18080, 24634, 27904, 28928, 34880, 36160, 49268, 61585, 69760, 72320, 98536, 123170, 139520, 144640, 197072, 246340, 394144, 492680, 788288, 985360, 1576576, 1970720, 3153152, 3941440, 7882880, 15765760]

約数ペア:

[(1, 15765760), (2, 7882880), (4, 3941440), (5, 3153152), (8, 1970720), (10, 1576576), (16, 985360), (20, 788288), (32, 492680), (40, 394144), (64, 246340), (80, 197072), (109, 144640), (113, 139520), (128, 123170), (160, 98536), (218, 72320), (226, 69760), (256, 61585), (320, 49268), (436, 36160), (452, 34880), (545, 28928), (565, 27904), (640, 24634), (872, 18080), (904, 17440), (1090, 14464), (1130, 13952), (1280, 12317), (1744, 9040), (1808, 8720), (2180, 7232), (2260, 6976), (3488, 4520), (3616, 4360)]