15487380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 47392800

約数和(自身を除く): 31905420

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, 619, 695, 834, 1238, 1251, 1390, 1668, 1857, 2085, 2476, 2502, 2780, 3095, 3714, 4170, 5004, 5571, 6190, 6255, 7428, 8340, 9285, 11142, 12380, 12510, 18570, 22284, 25020, 27855, 37140, 55710, 86041, 111420, 172082, 258123, 344164, 430205, 516246, 774369, 860410, 1032492, 1290615, 1548738, 1720820, 2581230, 3097476, 3871845, 5162460, 7743690, 15487380]

約数ペア:

[(1, 15487380), (2, 7743690), (3, 5162460), (4, 3871845), (5, 3097476), (6, 2581230), (9, 1720820), (10, 1548738), (12, 1290615), (15, 1032492), (18, 860410), (20, 774369), (30, 516246), (36, 430205), (45, 344164), (60, 258123), (90, 172082), (139, 111420), (180, 86041), (278, 55710), (417, 37140), (556, 27855), (619, 25020), (695, 22284), (834, 18570), (1238, 12510), (1251, 12380), (1390, 11142), (1668, 9285), (1857, 8340), (2085, 7428), (2476, 6255), (2502, 6190), (2780, 5571), (3095, 5004), (3714, 4170)]