172957140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{320291}}^1$

素因数の和:320309

約数の個数: 48

約数和(自身を含む): 538090560

約数和(自身を除く): 365133420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 320291, 640582, 960873, 1281164, 1601455, 1921746, 2882619, 3202910, 3843492, 4804365, 5765238, 6405820, 8647857, 9608730, 11530476, 14413095, 17295714, 19217460, 28826190, 34591428, 43239285, 57652380, 86478570, 172957140]

約数ペア:

[(1, 172957140), (2, 86478570), (3, 57652380), (4, 43239285), (5, 34591428), (6, 28826190), (9, 19217460), (10, 17295714), (12, 14413095), (15, 11530476), (18, 9608730), (20, 8647857), (27, 6405820), (30, 5765238), (36, 4804365), (45, 3843492), (54, 3202910), (60, 2882619), (90, 1921746), (108, 1601455), (135, 1281164), (180, 960873), (270, 640582), (540, 320291)]