13489980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{32119}}^1$

素因数の和:32138

約数の個数: 48

約数和(自身を含む): 43169280

約数和(自身を除く): 29679300

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, 32119, 64238, 96357, 128476, 160595, 192714, 224833, 321190, 385428, 449666, 481785, 642380, 674499, 899332, 963570, 1124165, 1348998, 1927140, 2248330, 2697996, 3372495, 4496660, 6744990, 13489980]

約数ペア:

[(1, 13489980), (2, 6744990), (3, 4496660), (4, 3372495), (5, 2697996), (6, 2248330), (7, 1927140), (10, 1348998), (12, 1124165), (14, 963570), (15, 899332), (20, 674499), (21, 642380), (28, 481785), (30, 449666), (35, 385428), (42, 321190), (60, 224833), (70, 192714), (84, 160595), (105, 128476), (140, 96357), (210, 64238), (420, 32119)]