138880080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192889}}^1$

素因数の和:192908

約数の個数: 60

約数和(自身を含む): 466408020

約数和(自身を除く): 327527940

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, 192889, 385778, 578667, 771556, 964445, 1157334, 1543112, 1736001, 1928890, 2314668, 2893335, 3086224, 3472002, 3857780, 4629336, 5786670, 6944004, 7715560, 8680005, 9258672, 11573340, 13888008, 15431120, 17360010, 23146680, 27776016, 34720020, 46293360, 69440040, 138880080]

約数ペア:

[(1, 138880080), (2, 69440040), (3, 46293360), (4, 34720020), (5, 27776016), (6, 23146680), (8, 17360010), (9, 15431120), (10, 13888008), (12, 11573340), (15, 9258672), (16, 8680005), (18, 7715560), (20, 6944004), (24, 5786670), (30, 4629336), (36, 3857780), (40, 3472002), (45, 3086224), (48, 2893335), (60, 2314668), (72, 1928890), (80, 1736001), (90, 1543112), (120, 1157334), (144, 964445), (180, 771556), (240, 578667), (360, 385778), (720, 192889)]