55412820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1459}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 168997920

約数和(自身を除く): 113585100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1459, 1899, 2110, 2532, 2918, 3165, 3798, 4220, 4377, 5836, 6330, 7295, 7596, 8754, 9495, 12660, 13131, 14590, 17508, 18990, 21885, 26262, 29180, 37980, 43770, 52524, 65655, 87540, 131310, 262620, 307849, 615698, 923547, 1231396, 1539245, 1847094, 2770641, 3078490, 3694188, 4617735, 5541282, 6156980, 9235470, 11082564, 13853205, 18470940, 27706410, 55412820]

約数ペア:

[(1, 55412820), (2, 27706410), (3, 18470940), (4, 13853205), (5, 11082564), (6, 9235470), (9, 6156980), (10, 5541282), (12, 4617735), (15, 3694188), (18, 3078490), (20, 2770641), (30, 1847094), (36, 1539245), (45, 1231396), (60, 923547), (90, 615698), (180, 307849), (211, 262620), (422, 131310), (633, 87540), (844, 65655), (1055, 52524), (1266, 43770), (1459, 37980), (1899, 29180), (2110, 26262), (2532, 21885), (2918, 18990), (3165, 17508), (3798, 14590), (4220, 13131), (4377, 12660), (5836, 9495), (6330, 8754), (7295, 7596)]