15390660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 43344000

約数和(自身を除く): 27953340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1289, 1990, 2388, 2578, 2985, 3867, 3980, 5156, 5970, 6445, 7734, 11940, 12890, 15468, 19335, 25780, 38670, 77340, 256511, 513022, 769533, 1026044, 1282555, 1539066, 2565110, 3078132, 3847665, 5130220, 7695330, 15390660]

約数ペア:

[(1, 15390660), (2, 7695330), (3, 5130220), (4, 3847665), (5, 3078132), (6, 2565110), (10, 1539066), (12, 1282555), (15, 1026044), (20, 769533), (30, 513022), (60, 256511), (199, 77340), (398, 38670), (597, 25780), (796, 19335), (995, 15468), (1194, 12890), (1289, 11940), (1990, 7734), (2388, 6445), (2578, 5970), (2985, 5156), (3867, 3980)]