64767520

素因数分解:

$2^5\times 5^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 153498240

約数和(自身を除く): 88730720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 563, 719, 1126, 1438, 2252, 2815, 2876, 3595, 4504, 5630, 5752, 7190, 9008, 11260, 11504, 14380, 18016, 22520, 23008, 28760, 45040, 57520, 90080, 115040, 404797, 809594, 1619188, 2023985, 3238376, 4047970, 6476752, 8095940, 12953504, 16191880, 32383760, 64767520]

約数ペア:

[(1, 64767520), (2, 32383760), (4, 16191880), (5, 12953504), (8, 8095940), (10, 6476752), (16, 4047970), (20, 3238376), (32, 2023985), (40, 1619188), (80, 809594), (160, 404797), (563, 115040), (719, 90080), (1126, 57520), (1438, 45040), (2252, 28760), (2815, 23008), (2876, 22520), (3595, 18016), (4504, 14380), (5630, 11504), (5752, 11260), (7190, 9008)]