15215020

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1229}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 32029200

約数和(自身を除く): 16814180

約数列:

[1, 2, 4, 5, 10, 20, 619, 1229, 1238, 2458, 2476, 3095, 4916, 6145, 6190, 12290, 12380, 24580, 760751, 1521502, 3043004, 3803755, 7607510, 15215020]

約数ペア:

[(1, 15215020), (2, 7607510), (4, 3803755), (5, 3043004), (10, 1521502), (20, 760751), (619, 24580), (1229, 12380), (1238, 12290), (2458, 6190), (2476, 6145), (3095, 4916)]