54272820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{129221}}^1$

素因数の和:129240

約数の個数: 48

約数和(自身を含む): 173674368

約数和(自身を除く): 119401548

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, 129221, 258442, 387663, 516884, 646105, 775326, 904547, 1292210, 1550652, 1809094, 1938315, 2584420, 2713641, 3618188, 3876630, 4522735, 5427282, 7753260, 9045470, 10854564, 13568205, 18090940, 27136410, 54272820]

約数ペア:

[(1, 54272820), (2, 27136410), (3, 18090940), (4, 13568205), (5, 10854564), (6, 9045470), (7, 7753260), (10, 5427282), (12, 4522735), (14, 3876630), (15, 3618188), (20, 2713641), (21, 2584420), (28, 1938315), (30, 1809094), (35, 1550652), (42, 1292210), (60, 904547), (70, 775326), (84, 646105), (105, 516884), (140, 387663), (210, 258442), (420, 129221)]