30072880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 70308000

約数和(自身を除く): 40235120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1889, 1990, 3184, 3778, 3980, 7556, 7960, 9445, 15112, 15920, 18890, 30224, 37780, 75560, 151120, 375911, 751822, 1503644, 1879555, 3007288, 3759110, 6014576, 7518220, 15036440, 30072880]

約数ペア:

[(1, 30072880), (2, 15036440), (4, 7518220), (5, 6014576), (8, 3759110), (10, 3007288), (16, 1879555), (20, 1503644), (40, 751822), (80, 375911), (199, 151120), (398, 75560), (796, 37780), (995, 30224), (1592, 18890), (1889, 15920), (1990, 15112), (3184, 9445), (3778, 7960), (3980, 7556)]