80589420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3221}}^1$

素因数の和:3375

約数の個数: 72

約数和(自身を含む): 246289680

約数和(自身を除く): 165700260

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, 2780, 3221, 4170, 5004, 6255, 6442, 8340, 9663, 12510, 12884, 16105, 19326, 25020, 28989, 32210, 38652, 48315, 57978, 64420, 96630, 115956, 144945, 193260, 289890, 447719, 579780, 895438, 1343157, 1790876, 2238595, 2686314, 4029471, 4477190, 5372628, 6715785, 8058942, 8954380, 13431570, 16117884, 20147355, 26863140, 40294710, 80589420]

約数ペア:

[(1, 80589420), (2, 40294710), (3, 26863140), (4, 20147355), (5, 16117884), (6, 13431570), (9, 8954380), (10, 8058942), (12, 6715785), (15, 5372628), (18, 4477190), (20, 4029471), (30, 2686314), (36, 2238595), (45, 1790876), (60, 1343157), (90, 895438), (139, 579780), (180, 447719), (278, 289890), (417, 193260), (556, 144945), (695, 115956), (834, 96630), (1251, 64420), (1390, 57978), (1668, 48315), (2085, 38652), (2502, 32210), (2780, 28989), (3221, 25020), (4170, 19326), (5004, 16105), (6255, 12884), (6442, 12510), (8340, 9663)]