61680720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257003}}^1$

素因数の和:257019

約数の個数: 40

約数和(自身を含む): 191210976

約数和(自身を除く): 129530256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257003, 514006, 771009, 1028012, 1285015, 1542018, 2056024, 2570030, 3084036, 3855045, 4112048, 5140060, 6168072, 7710090, 10280120, 12336144, 15420180, 20560240, 30840360, 61680720]

約数ペア:

[(1, 61680720), (2, 30840360), (3, 20560240), (4, 15420180), (5, 12336144), (6, 10280120), (8, 7710090), (10, 6168072), (12, 5140060), (15, 4112048), (16, 3855045), (20, 3084036), (24, 2570030), (30, 2056024), (40, 1542018), (48, 1285015), (60, 1028012), (80, 771009), (120, 514006), (240, 257003)]