207671680

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2627

約数の個数: 64

約数和(自身を含む): 500456880

約数和(自身を除く): 292785200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2477, 2620, 4192, 4954, 5240, 8384, 9908, 10480, 12385, 16768, 19816, 20960, 24770, 39632, 41920, 49540, 79264, 83840, 99080, 158528, 198160, 317056, 324487, 396320, 648974, 792640, 1297948, 1585280, 1622435, 2595896, 3244870, 5191792, 6489740, 10383584, 12979480, 20767168, 25958960, 41534336, 51917920, 103835840, 207671680]

約数ペア:

[(1, 207671680), (2, 103835840), (4, 51917920), (5, 41534336), (8, 25958960), (10, 20767168), (16, 12979480), (20, 10383584), (32, 6489740), (40, 5191792), (64, 3244870), (80, 2595896), (128, 1622435), (131, 1585280), (160, 1297948), (262, 792640), (320, 648974), (524, 396320), (640, 324487), (655, 317056), (1048, 198160), (1310, 158528), (2096, 99080), (2477, 83840), (2620, 79264), (4192, 49540), (4954, 41920), (5240, 39632), (8384, 24770), (9908, 20960), (10480, 19816), (12385, 16768)]