30754640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54919}}^1$

素因数の和:54939

約数の個数: 40

約数和(自身を含む): 81720960

約数和(自身を除く): 50966320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54919, 109838, 219676, 274595, 384433, 439352, 549190, 768866, 878704, 1098380, 1537732, 1922165, 2196760, 3075464, 3844330, 4393520, 6150928, 7688660, 15377320, 30754640]

約数ペア:

[(1, 30754640), (2, 15377320), (4, 7688660), (5, 6150928), (7, 4393520), (8, 3844330), (10, 3075464), (14, 2196760), (16, 1922165), (20, 1537732), (28, 1098380), (35, 878704), (40, 768866), (56, 549190), (70, 439352), (80, 384433), (112, 274595), (140, 219676), (280, 109838), (560, 54919)]