1815968320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{298679}}^1$

素因数の和:298715

約数の個数: 56

約数和(自身を含む): 4551883200

約数和(自身を除く): 2735914880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 298679, 597358, 1194716, 1493395, 2389432, 2986790, 4778864, 5674901, 5973580, 9557728, 11349802, 11947160, 19115456, 22699604, 23894320, 28374505, 45399208, 47788640, 56749010, 90798416, 95577280, 113498020, 181596832, 226996040, 363193664, 453992080, 907984160, 1815968320]

約数ペア:

[(1, 1815968320), (2, 907984160), (4, 453992080), (5, 363193664), (8, 226996040), (10, 181596832), (16, 113498020), (19, 95577280), (20, 90798416), (32, 56749010), (38, 47788640), (40, 45399208), (64, 28374505), (76, 23894320), (80, 22699604), (95, 19115456), (152, 11947160), (160, 11349802), (190, 9557728), (304, 5973580), (320, 5674901), (380, 4778864), (608, 2986790), (760, 2389432), (1216, 1493395), (1520, 1194716), (3040, 597358), (6080, 298679)]