77940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 236964

約数和(自身を除く): 159024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433, 866, 1299, 1732, 2165, 2598, 3897, 4330, 5196, 6495, 7794, 8660, 12990, 15588, 19485, 25980, 38970, 77940]

約数ペア:

[(1, 77940), (2, 38970), (3, 25980), (4, 19485), (5, 15588), (6, 12990), (9, 8660), (10, 7794), (12, 6495), (15, 5196), (18, 4330), (20, 3897), (30, 2598), (36, 2165), (45, 1732), (60, 1299), (90, 866), (180, 433)]