15356720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 35987280

約数和(自身を除く): 20630560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1381, 1390, 2224, 2762, 2780, 5524, 5560, 6905, 11048, 11120, 13810, 22096, 27620, 55240, 110480, 191959, 383918, 767836, 959795, 1535672, 1919590, 3071344, 3839180, 7678360, 15356720]

約数ペア:

[(1, 15356720), (2, 7678360), (4, 3839180), (5, 3071344), (8, 1919590), (10, 1535672), (16, 959795), (20, 767836), (40, 383918), (80, 191959), (139, 110480), (278, 55240), (556, 27620), (695, 22096), (1112, 13810), (1381, 11120), (1390, 11048), (2224, 6905), (2762, 5560), (2780, 5524)]