209305680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872107}}^1$

素因数の和:872123

約数の個数: 40

約数和(自身を含む): 648848352

約数和(自身を除く): 439542672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872107, 1744214, 2616321, 3488428, 4360535, 5232642, 6976856, 8721070, 10465284, 13081605, 13953712, 17442140, 20930568, 26163210, 34884280, 41861136, 52326420, 69768560, 104652840, 209305680]

約数ペア:

[(1, 209305680), (2, 104652840), (3, 69768560), (4, 52326420), (5, 41861136), (6, 34884280), (8, 26163210), (10, 20930568), (12, 17442140), (15, 13953712), (16, 13081605), (20, 10465284), (24, 8721070), (30, 6976856), (40, 5232642), (48, 4360535), (60, 3488428), (80, 2616321), (120, 1744214), (240, 872107)]