1245172740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2964697}}^1$

素因数の和:2964716

約数の個数: 48

約数和(自身を含む): 3984554112

約数和(自身を除く): 2739381372

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, 2964697, 5929394, 8894091, 11858788, 14823485, 17788182, 20752879, 29646970, 35576364, 41505758, 44470455, 59293940, 62258637, 83011516, 88940910, 103764395, 124517274, 177881820, 207528790, 249034548, 311293185, 415057580, 622586370, 1245172740]

約数ペア:

[(1, 1245172740), (2, 622586370), (3, 415057580), (4, 311293185), (5, 249034548), (6, 207528790), (7, 177881820), (10, 124517274), (12, 103764395), (14, 88940910), (15, 83011516), (20, 62258637), (21, 59293940), (28, 44470455), (30, 41505758), (35, 35576364), (42, 29646970), (60, 20752879), (70, 17788182), (84, 14823485), (105, 11858788), (140, 8894091), (210, 5929394), (420, 2964697)]