15720990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3517}}^1$

素因数の和:3676

約数の個数: 32

約数和(自身を含む): 37994400

約数和(自身を除く): 22273410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 3517, 4470, 7034, 10551, 17585, 21102, 35170, 52755, 105510, 524033, 1048066, 1572099, 2620165, 3144198, 5240330, 7860495, 15720990]

約数ペア:

[(1, 15720990), (2, 7860495), (3, 5240330), (5, 3144198), (6, 2620165), (10, 1572099), (15, 1048066), (30, 524033), (149, 105510), (298, 52755), (447, 35170), (745, 21102), (894, 17585), (1490, 10551), (2235, 7034), (3517, 4470)]