15814820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 38441088

約数和(自身を除く): 22626268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1361, 1660, 2324, 2722, 2905, 5444, 5810, 6805, 9527, 11620, 13610, 19054, 27220, 38108, 47635, 95270, 112963, 190540, 225926, 451852, 564815, 790741, 1129630, 1581482, 2259260, 3162964, 3953705, 7907410, 15814820]

約数ペア:

[(1, 15814820), (2, 7907410), (4, 3953705), (5, 3162964), (7, 2259260), (10, 1581482), (14, 1129630), (20, 790741), (28, 564815), (35, 451852), (70, 225926), (83, 190540), (140, 112963), (166, 95270), (332, 47635), (415, 38108), (581, 27220), (830, 19054), (1162, 13610), (1361, 11620), (1660, 9527), (2324, 6805), (2722, 5810), (2905, 5444)]