81400830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387623}}^1$

素因数の和:387640

約数の個数: 32

約数和(自身を含む): 223271424

約数和(自身を除く): 141870594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387623, 775246, 1162869, 1938115, 2325738, 2713361, 3876230, 5426722, 5814345, 8140083, 11628690, 13566805, 16280166, 27133610, 40700415, 81400830]

約数ペア:

[(1, 81400830), (2, 40700415), (3, 27133610), (5, 16280166), (6, 13566805), (7, 11628690), (10, 8140083), (14, 5814345), (15, 5426722), (21, 3876230), (30, 2713361), (35, 2325738), (42, 1938115), (70, 1162869), (105, 775246), (210, 387623)]