1296190640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{852757}}^1$

素因数の和:852789

約数の個数: 40

約数和(自身を含む): 3172259760

約数和(自身を除く): 1876069120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 852757, 1705514, 3411028, 4263785, 6822056, 8527570, 13644112, 16202383, 17055140, 32404766, 34110280, 64809532, 68220560, 81011915, 129619064, 162023830, 259238128, 324047660, 648095320, 1296190640]

約数ペア:

[(1, 1296190640), (2, 648095320), (4, 324047660), (5, 259238128), (8, 162023830), (10, 129619064), (16, 81011915), (19, 68220560), (20, 64809532), (38, 34110280), (40, 32404766), (76, 17055140), (80, 16202383), (95, 13644112), (152, 8527570), (190, 6822056), (304, 4263785), (380, 3411028), (760, 1705514), (1520, 852757)]