77215890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18517}}^1$

素因数の和:18666

約数の個数: 32

約数和(自身を含む): 186661440

約数和(自身を除く): 109445550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 18517, 37034, 55551, 92585, 111102, 185170, 277755, 555510, 2573863, 5147726, 7721589, 12869315, 15443178, 25738630, 38607945, 77215890]

約数ペア:

[(1, 77215890), (2, 38607945), (3, 25738630), (5, 15443178), (6, 12869315), (10, 7721589), (15, 5147726), (30, 2573863), (139, 555510), (278, 277755), (417, 185170), (695, 111102), (834, 92585), (1390, 55551), (2085, 37034), (4170, 18517)]