68029380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2873

約数の個数: 72

約数和(自身を含む): 207916800

約数和(自身を除く): 139887420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2719, 2780, 4170, 5004, 5438, 6255, 8157, 8340, 10876, 12510, 13595, 16314, 24471, 25020, 27190, 32628, 40785, 48942, 54380, 81570, 97884, 122355, 163140, 244710, 377941, 489420, 755882, 1133823, 1511764, 1889705, 2267646, 3401469, 3779410, 4535292, 5669115, 6802938, 7558820, 11338230, 13605876, 17007345, 22676460, 34014690, 68029380]

約数ペア:

[(1, 68029380), (2, 34014690), (3, 22676460), (4, 17007345), (5, 13605876), (6, 11338230), (9, 7558820), (10, 6802938), (12, 5669115), (15, 4535292), (18, 3779410), (20, 3401469), (30, 2267646), (36, 1889705), (45, 1511764), (60, 1133823), (90, 755882), (139, 489420), (180, 377941), (278, 244710), (417, 163140), (556, 122355), (695, 97884), (834, 81570), (1251, 54380), (1390, 48942), (1668, 40785), (2085, 32628), (2502, 27190), (2719, 25020), (2780, 24471), (4170, 16314), (5004, 13595), (5438, 12510), (6255, 10876), (8157, 8340)]