80212920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3359}}^1$

素因数の和:3572

約数の個数: 64

約数和(自身を含む): 241920000

約数和(自身を除く): 161707080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3359, 3980, 4776, 5970, 6718, 7960, 10077, 11940, 13436, 16795, 20154, 23880, 26872, 33590, 40308, 50385, 67180, 80616, 100770, 134360, 201540, 403080, 668441, 1336882, 2005323, 2673764, 3342205, 4010646, 5347528, 6684410, 8021292, 10026615, 13368820, 16042584, 20053230, 26737640, 40106460, 80212920]

約数ペア:

[(1, 80212920), (2, 40106460), (3, 26737640), (4, 20053230), (5, 16042584), (6, 13368820), (8, 10026615), (10, 8021292), (12, 6684410), (15, 5347528), (20, 4010646), (24, 3342205), (30, 2673764), (40, 2005323), (60, 1336882), (120, 668441), (199, 403080), (398, 201540), (597, 134360), (796, 100770), (995, 80616), (1194, 67180), (1592, 50385), (1990, 40308), (2388, 33590), (2985, 26872), (3359, 23880), (3980, 20154), (4776, 16795), (5970, 13436), (6718, 11940), (7960, 10077)]