30912660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{863}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 94348800

約数和(自身を除く): 63436140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 863, 995, 1194, 1726, 1791, 1990, 2388, 2589, 2985, 3452, 3582, 3980, 4315, 5178, 5970, 7164, 7767, 8630, 8955, 10356, 11940, 12945, 15534, 17260, 17910, 25890, 31068, 35820, 38835, 51780, 77670, 155340, 171737, 343474, 515211, 686948, 858685, 1030422, 1545633, 1717370, 2060844, 2576055, 3091266, 3434740, 5152110, 6182532, 7728165, 10304220, 15456330, 30912660]

約数ペア:

[(1, 30912660), (2, 15456330), (3, 10304220), (4, 7728165), (5, 6182532), (6, 5152110), (9, 3434740), (10, 3091266), (12, 2576055), (15, 2060844), (18, 1717370), (20, 1545633), (30, 1030422), (36, 858685), (45, 686948), (60, 515211), (90, 343474), (180, 171737), (199, 155340), (398, 77670), (597, 51780), (796, 38835), (863, 35820), (995, 31068), (1194, 25890), (1726, 17910), (1791, 17260), (1990, 15534), (2388, 12945), (2589, 11940), (2985, 10356), (3452, 8955), (3582, 8630), (3980, 7767), (4315, 7164), (5178, 5970)]