51815640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431797}}^1$

素因数の和:431811

約数の個数: 32

約数和(自身を含む): 155447280

約数和(自身を除く): 103631640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431797, 863594, 1295391, 1727188, 2158985, 2590782, 3454376, 4317970, 5181564, 6476955, 8635940, 10363128, 12953910, 17271880, 25907820, 51815640]

約数ペア:

[(1, 51815640), (2, 25907820), (3, 17271880), (4, 12953910), (5, 10363128), (6, 8635940), (8, 6476955), (10, 5181564), (12, 4317970), (15, 3454376), (20, 2590782), (24, 2158985), (30, 1727188), (40, 1295391), (60, 863594), (120, 431797)]