6720420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16020

約数の個数: 48

約数和(自身を含む): 21506688

約数和(自身を除く): 14786268

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, 16001, 32002, 48003, 64004, 80005, 96006, 112007, 160010, 192012, 224014, 240015, 320020, 336021, 448028, 480030, 560035, 672042, 960060, 1120070, 1344084, 1680105, 2240140, 3360210, 6720420]

約数ペア:

[(1, 6720420), (2, 3360210), (3, 2240140), (4, 1680105), (5, 1344084), (6, 1120070), (7, 960060), (10, 672042), (12, 560035), (14, 480030), (15, 448028), (20, 336021), (21, 320020), (28, 240015), (30, 224014), (35, 192012), (42, 160010), (60, 112007), (70, 96006), (84, 80005), (105, 64004), (140, 48003), (210, 32002), (420, 16001)]