12649980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30119}}^1$

素因数の和:30138

約数の個数: 48

約数和(自身を含む): 40481280

約数和(自身を除く): 27831300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30119, 60238, 90357, 120476, 150595, 180714, 210833, 301190, 361428, 421666, 451785, 602380, 632499, 843332, 903570, 1054165, 1264998, 1807140, 2108330, 2529996, 3162495, 4216660, 6324990, 12649980]

約数ペア:

[(1, 12649980), (2, 6324990), (3, 4216660), (4, 3162495), (5, 2529996), (6, 2108330), (7, 1807140), (10, 1264998), (12, 1054165), (14, 903570), (15, 843332), (20, 632499), (21, 602380), (28, 451785), (30, 421666), (35, 361428), (42, 301190), (60, 210833), (70, 180714), (84, 150595), (105, 120476), (140, 90357), (210, 60238), (420, 30119)]