80780868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106853}}^1$

素因数の和:106873

約数の個数: 48

約数和(自身を含む): 239352960

約数和(自身を除く): 158572092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 106853, 213706, 320559, 427412, 641118, 747971, 961677, 1282236, 1495942, 1923354, 2243913, 2885031, 2991884, 3846708, 4487826, 5770062, 6731739, 8975652, 11540124, 13463478, 20195217, 26926956, 40390434, 80780868]

約数ペア:

[(1, 80780868), (2, 40390434), (3, 26926956), (4, 20195217), (6, 13463478), (7, 11540124), (9, 8975652), (12, 6731739), (14, 5770062), (18, 4487826), (21, 3846708), (27, 2991884), (28, 2885031), (36, 2243913), (42, 1923354), (54, 1495942), (63, 1282236), (84, 961677), (108, 747971), (126, 641118), (189, 427412), (252, 320559), (378, 213706), (756, 106853)]