15421840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{27539}}^1$

素因数の和:27559

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 25557680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 27539, 55078, 110156, 137695, 192773, 220312, 275390, 385546, 440624, 550780, 771092, 963865, 1101560, 1542184, 1927730, 2203120, 3084368, 3855460, 7710920, 15421840]

約数ペア:

[(1, 15421840), (2, 7710920), (4, 3855460), (5, 3084368), (7, 2203120), (8, 1927730), (10, 1542184), (14, 1101560), (16, 963865), (20, 771092), (28, 550780), (35, 440624), (40, 385546), (56, 275390), (70, 220312), (80, 192773), (112, 137695), (140, 110156), (280, 55078), (560, 27539)]