128973180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{307079}}^1$

素因数の和:307098

約数の個数: 48

約数和(自身を含む): 412715520

約数和(自身を除く): 283742340

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, 307079, 614158, 921237, 1228316, 1535395, 1842474, 2149553, 3070790, 3684948, 4299106, 4606185, 6141580, 6448659, 8598212, 9212370, 10747765, 12897318, 18424740, 21495530, 25794636, 32243295, 42991060, 64486590, 128973180]

約数ペア:

[(1, 128973180), (2, 64486590), (3, 42991060), (4, 32243295), (5, 25794636), (6, 21495530), (7, 18424740), (10, 12897318), (12, 10747765), (14, 9212370), (15, 8598212), (20, 6448659), (21, 6141580), (28, 4606185), (30, 4299106), (35, 3684948), (42, 3070790), (60, 2149553), (70, 1842474), (84, 1535395), (105, 1228316), (140, 921237), (210, 614158), (420, 307079)]