30974760

素因数分解:

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

素因数の和:775

約数の個数: 96

約数和(自身を含む): 101556000

約数和(自身を除く): 70581240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 619, 695, 834, 1112, 1238, 1251, 1390, 1668, 1857, 2085, 2476, 2502, 2780, 3095, 3336, 3714, 4170, 4952, 5004, 5560, 5571, 6190, 6255, 7428, 8340, 9285, 10008, 11142, 12380, 12510, 14856, 16680, 18570, 22284, 24760, 25020, 27855, 37140, 44568, 50040, 55710, 74280, 86041, 111420, 172082, 222840, 258123, 344164, 430205, 516246, 688328, 774369, 860410, 1032492, 1290615, 1548738, 1720820, 2064984, 2581230, 3097476, 3441640, 3871845, 5162460, 6194952, 7743690, 10324920, 15487380, 30974760]

約数ペア:

[(1, 30974760), (2, 15487380), (3, 10324920), (4, 7743690), (5, 6194952), (6, 5162460), (8, 3871845), (9, 3441640), (10, 3097476), (12, 2581230), (15, 2064984), (18, 1720820), (20, 1548738), (24, 1290615), (30, 1032492), (36, 860410), (40, 774369), (45, 688328), (60, 516246), (72, 430205), (90, 344164), (120, 258123), (139, 222840), (180, 172082), (278, 111420), (360, 86041), (417, 74280), (556, 55710), (619, 50040), (695, 44568), (834, 37140), (1112, 27855), (1238, 25020), (1251, 24760), (1390, 22284), (1668, 18570), (1857, 16680), (2085, 14856), (2476, 12510), (2502, 12380), (2780, 11142), (3095, 10008), (3336, 9285), (3714, 8340), (4170, 7428), (4952, 6255), (5004, 6190), (5560, 5571)]