81790680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681589}}^1$

素因数の和:681603

約数の個数: 32

約数和(自身を含む): 245372400

約数和(自身を除く): 163581720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681589, 1363178, 2044767, 2726356, 3407945, 4089534, 5452712, 6815890, 8179068, 10223835, 13631780, 16358136, 20447670, 27263560, 40895340, 81790680]

約数ペア:

[(1, 81790680), (2, 40895340), (3, 27263560), (4, 20447670), (5, 16358136), (6, 13631780), (8, 10223835), (10, 8179068), (12, 6815890), (15, 5452712), (20, 4089534), (24, 3407945), (30, 2726356), (40, 2044767), (60, 1363178), (120, 681589)]