78923940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315399}}^1$

素因数の和:1315411

約数の個数: 24

約数和(自身を含む): 220987200

約数和(自身を除く): 142063260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315399, 2630798, 3946197, 5261596, 6576995, 7892394, 13153990, 15784788, 19730985, 26307980, 39461970, 78923940]

約数ペア:

[(1, 78923940), (2, 39461970), (3, 26307980), (4, 19730985), (5, 15784788), (6, 13153990), (10, 7892394), (12, 6576995), (15, 5261596), (20, 3946197), (30, 2630798), (60, 1315399)]