1279462720

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{12613}}^1$

素因数の和:12947

約数の個数: 56

約数和(自身を含む): 3056574024

約数和(自身を除く): 1777111304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 1268, 1585, 2536, 3170, 5072, 6340, 10144, 12613, 12680, 20288, 25226, 25360, 50452, 50720, 63065, 100904, 101440, 126130, 201808, 252260, 403616, 504520, 807232, 1009040, 2018080, 3998321, 4036160, 7996642, 15993284, 19991605, 31986568, 39983210, 63973136, 79966420, 127946272, 159932840, 255892544, 319865680, 639731360, 1279462720]

約数ペア:

[(1, 1279462720), (2, 639731360), (4, 319865680), (5, 255892544), (8, 159932840), (10, 127946272), (16, 79966420), (20, 63973136), (32, 39983210), (40, 31986568), (64, 19991605), (80, 15993284), (160, 7996642), (317, 4036160), (320, 3998321), (634, 2018080), (1268, 1009040), (1585, 807232), (2536, 504520), (3170, 403616), (5072, 252260), (6340, 201808), (10144, 126130), (12613, 101440), (12680, 100904), (20288, 63065), (25226, 50720), (25360, 50452)]