1309980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3119}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2883300

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, 3119, 6238, 9357, 12476, 15595, 18714, 21833, 31190, 37428, 43666, 46785, 62380, 65499, 87332, 93570, 109165, 130998, 187140, 218330, 261996, 327495, 436660, 654990, 1309980]

約数ペア:

[(1, 1309980), (2, 654990), (3, 436660), (4, 327495), (5, 261996), (6, 218330), (7, 187140), (10, 130998), (12, 109165), (14, 93570), (15, 87332), (20, 65499), (21, 62380), (28, 46785), (30, 43666), (35, 37428), (42, 31190), (60, 21833), (70, 18714), (84, 15595), (105, 12476), (140, 9357), (210, 6238), (420, 3119)]