71217440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{63587}}^1$

素因数の和:63609

約数の個数: 48

約数和(自身を含む): 192290112

約数和(自身を除く): 121072672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 63587, 127174, 254348, 317935, 445109, 508696, 635870, 890218, 1017392, 1271740, 1780436, 2034784, 2225545, 2543480, 3560872, 4451090, 5086960, 7121744, 8902180, 10173920, 14243488, 17804360, 35608720, 71217440]

約数ペア:

[(1, 71217440), (2, 35608720), (4, 17804360), (5, 14243488), (7, 10173920), (8, 8902180), (10, 7121744), (14, 5086960), (16, 4451090), (20, 3560872), (28, 2543480), (32, 2225545), (35, 2034784), (40, 1780436), (56, 1271740), (70, 1017392), (80, 890218), (112, 635870), (140, 508696), (160, 445109), (224, 317935), (280, 254348), (560, 127174), (1120, 63587)]