208517040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289607}}^1$

素因数の和:289626

約数の個数: 60

約数和(自身を含む): 700272144

約数和(自身を除く): 491755104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289607, 579214, 868821, 1158428, 1448035, 1737642, 2316856, 2606463, 2896070, 3475284, 4344105, 4633712, 5212926, 5792140, 6950568, 8688210, 10425852, 11584280, 13032315, 13901136, 17376420, 20851704, 23168560, 26064630, 34752840, 41703408, 52129260, 69505680, 104258520, 208517040]

約数ペア:

[(1, 208517040), (2, 104258520), (3, 69505680), (4, 52129260), (5, 41703408), (6, 34752840), (8, 26064630), (9, 23168560), (10, 20851704), (12, 17376420), (15, 13901136), (16, 13032315), (18, 11584280), (20, 10425852), (24, 8688210), (30, 6950568), (36, 5792140), (40, 5212926), (45, 4633712), (48, 4344105), (60, 3475284), (72, 2896070), (80, 2606463), (90, 2316856), (120, 1737642), (144, 1448035), (180, 1158428), (240, 868821), (360, 579214), (720, 289607)]