261291270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{378683}}^1$

素因数の和:378716

約数の個数: 32

約数和(自身を含む): 654365952

約数和(自身を除く): 393074682

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 378683, 757366, 1136049, 1893415, 2272098, 3786830, 5680245, 8709709, 11360490, 17419418, 26129127, 43548545, 52258254, 87097090, 130645635, 261291270]

約数ペア:

[(1, 261291270), (2, 130645635), (3, 87097090), (5, 52258254), (6, 43548545), (10, 26129127), (15, 17419418), (23, 11360490), (30, 8709709), (46, 5680245), (69, 3786830), (115, 2272098), (138, 1893415), (230, 1136049), (345, 757366), (690, 378683)]