2541280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2269}}^1$

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 6864480

約数和(自身を除く): 4323200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2269, 4538, 9076, 11345, 15883, 18152, 22690, 31766, 36304, 45380, 63532, 72608, 79415, 90760, 127064, 158830, 181520, 254128, 317660, 363040, 508256, 635320, 1270640, 2541280]

約数ペア:

[(1, 2541280), (2, 1270640), (4, 635320), (5, 508256), (7, 363040), (8, 317660), (10, 254128), (14, 181520), (16, 158830), (20, 127064), (28, 90760), (32, 79415), (35, 72608), (40, 63532), (56, 45380), (70, 36304), (80, 31766), (112, 22690), (140, 18152), (160, 15883), (224, 11345), (280, 9076), (560, 4538), (1120, 2269)]