87855180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209179}}^1$

素因数の和:209198

約数の個数: 48

約数和(自身を含む): 281137920

約数和(自身を除く): 193282740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209179, 418358, 627537, 836716, 1045895, 1255074, 1464253, 2091790, 2510148, 2928506, 3137685, 4183580, 4392759, 5857012, 6275370, 7321265, 8785518, 12550740, 14642530, 17571036, 21963795, 29285060, 43927590, 87855180]

約数ペア:

[(1, 87855180), (2, 43927590), (3, 29285060), (4, 21963795), (5, 17571036), (6, 14642530), (7, 12550740), (10, 8785518), (12, 7321265), (14, 6275370), (15, 5857012), (20, 4392759), (21, 4183580), (28, 3137685), (30, 2928506), (35, 2510148), (42, 2091790), (60, 1464253), (70, 1255074), (84, 1045895), (105, 836716), (140, 627537), (210, 418358), (420, 209179)]