25980120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{72167}}^1$

素因数の和:72184

約数の個数: 48

約数和(自身を含む): 84436560

約数和(自身を除く): 58456440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 72167, 144334, 216501, 288668, 360835, 433002, 577336, 649503, 721670, 866004, 1082505, 1299006, 1443340, 1732008, 2165010, 2598012, 2886680, 3247515, 4330020, 5196024, 6495030, 8660040, 12990060, 25980120]

約数ペア:

[(1, 25980120), (2, 12990060), (3, 8660040), (4, 6495030), (5, 5196024), (6, 4330020), (8, 3247515), (9, 2886680), (10, 2598012), (12, 2165010), (15, 1732008), (18, 1443340), (20, 1299006), (24, 1082505), (30, 866004), (36, 721670), (40, 649503), (45, 577336), (60, 433002), (72, 360835), (90, 288668), (120, 216501), (180, 144334), (360, 72167)]