78719820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1747}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 220835328

約数和(自身を除く): 142115508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 751, 1502, 1747, 2253, 3004, 3494, 3755, 4506, 5241, 6988, 7510, 8735, 9012, 10482, 11265, 15020, 17470, 20964, 22530, 26205, 34940, 45060, 52410, 104820, 1311997, 2623994, 3935991, 5247988, 6559985, 7871982, 13119970, 15743964, 19679955, 26239940, 39359910, 78719820]

約数ペア:

[(1, 78719820), (2, 39359910), (3, 26239940), (4, 19679955), (5, 15743964), (6, 13119970), (10, 7871982), (12, 6559985), (15, 5247988), (20, 3935991), (30, 2623994), (60, 1311997), (751, 104820), (1502, 52410), (1747, 45060), (2253, 34940), (3004, 26205), (3494, 22530), (3755, 20964), (4506, 17470), (5241, 15020), (6988, 11265), (7510, 10482), (8735, 9012)]