13380780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31859}}^1$

素因数の和:31878

約数の個数: 48

約数和(自身を含む): 42819840

約数和(自身を除く): 29439060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31859, 63718, 95577, 127436, 159295, 191154, 223013, 318590, 382308, 446026, 477885, 637180, 669039, 892052, 955770, 1115065, 1338078, 1911540, 2230130, 2676156, 3345195, 4460260, 6690390, 13380780]

約数ペア:

[(1, 13380780), (2, 6690390), (3, 4460260), (4, 3345195), (5, 2676156), (6, 2230130), (7, 1911540), (10, 1338078), (12, 1115065), (14, 955770), (15, 892052), (20, 669039), (21, 637180), (28, 477885), (30, 446026), (35, 382308), (42, 318590), (60, 223013), (70, 191154), (84, 159295), (105, 127436), (140, 95577), (210, 63718), (420, 31859)]