15501760

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 37252656

約数和(自身を除く): 21750896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 251, 320, 386, 502, 772, 965, 1004, 1255, 1544, 1930, 2008, 2510, 3088, 3860, 4016, 5020, 6176, 7720, 8032, 10040, 12352, 15440, 16064, 20080, 30880, 40160, 48443, 61760, 80320, 96886, 193772, 242215, 387544, 484430, 775088, 968860, 1550176, 1937720, 3100352, 3875440, 7750880, 15501760]

約数ペア:

[(1, 15501760), (2, 7750880), (4, 3875440), (5, 3100352), (8, 1937720), (10, 1550176), (16, 968860), (20, 775088), (32, 484430), (40, 387544), (64, 242215), (80, 193772), (160, 96886), (193, 80320), (251, 61760), (320, 48443), (386, 40160), (502, 30880), (772, 20080), (965, 16064), (1004, 15440), (1255, 12352), (1544, 10040), (1930, 8032), (2008, 7720), (2510, 6176), (3088, 5020), (3860, 4016)]